98971 + Interview Questions in Primary School in Math

1.	Two numbers add to 87. If one number is doubledand the other is halved the new sum is 111.What was the larger of the original numbers?The larger of the original numbers =
Answer» Answer: Let one NUMBER be x. So, other number = 87-x. The DOUBLED number = 2x. The halved number = (87-x)/2 According to condition, 2x + (87-x)/2 = 111 Or, {4x + (87-x)}/2 = 111 Or, {4x + (87-x)} = 111 × 2 Or, 3x + 87 = 222 Or, 3x = 222 - 87 Or, 3x = 135 Or, x = 135/3 Or, x = 45 So, x = 45 87 - x = 87 - 45 = 42 Hence, larger of the original numbers is 45.

1.

Two numbers add to 87. If one number is doubledand the other is halved the new sum is 111.What was the larger of the original numbers?The larger of the original numbers =

Answer»

Answer:

Let one NUMBER be x.

So, other number = 87-x.

The DOUBLED number = 2x.

The halved number = (87-x)/2

According to condition,

2x + (87-x)/2 = 111

Or, {4x + (87-x)}/2 = 111

Or, {4x + (87-x)} = 111 × 2

Or, 3x + 87 = 222

Or, 3x = 222 - 87

Or, 3x = 135

Or, x = 135/3

Or, x = 45

So, x = 45

87 - x = 87 - 45 = 42

Hence, larger of the original numbers is 45.

Discussion

2.	A pair of linear equations which has a unique solution x=2 y=-3 is(a) x+y =-1 and 2x-3y=-5 (b) 2x+5y=-11 and 4x-10y=-22 (c) 2x-y=1 and 3x+2y=0 (d) x-4y-14=0 and 5x-y-13=0
Answer» Answer: If x = 2, y = – 3 is a unique SOLUTION of any pair of equation, then these values must satisfy that pair of equations. From option (b), LHS = 2x + 5y = 2(2) + 5(- 3) = 4 – 15 = – 11 = RHS and LHS = 4X + 10y = 4(2) + 10(- 3)= 8 – 30 = – 22 = RHS hope this helps pls mark as the brainliest

2.

A pair of linear equations which has a unique solution x=2 y=-3 is(a) x+y =-1 and 2x-3y=-5 (b) 2x+5y=-11 and 4x-10y=-22 (c) 2x-y=1 and 3x+2y=0 (d) x-4y-14=0 and 5x-y-13=0

Answer»

Answer:

If x = 2, y = – 3 is a unique SOLUTION of any pair of equation, then these values must satisfy that pair of equations.

From option (b), LHS = 2x + 5y = 2(2) + 5(- 3) = 4 – 15 = – 11 = RHS

and LHS = 4X + 10y = 4(2) + 10(- 3)= 8 – 30 = – 22 = RHS

hope this helps

pls mark as the brainliest

Discussion

3.	If 10 % of a bill is deducted, still Rs. 27000 is left to be paid. How much wasthe bill?Plz answer step by step
Answer» Answer: 30000 Step-by-step EXPLANATION: LET BILL be X x-10%of x=27000 x-10%x x-10%x= 27000 -9x= 27000 x=3000 10%of x = 3000 bill= 27000+3000=30000 ANS

3.

If 10 % of a bill is deducted, still Rs. 27000 is left to be paid. How much wasthe bill?Plz answer step by step

Answer»

Answer:

30000

Step-by-step EXPLANATION:

LET BILL be X

x-10%of x=27000

x-10%x

x-10%x= 27000

-9x= 27000

x=3000

10%of x = 3000

bill= 27000+3000=30000 ANS

Discussion

4.	A rectangle has a perimeter of 60 cm. If the length isreduced by 7 cm and the breadth is increased by7 cm, the rectangle is made into a square.What are the dimensions of the original rectangle?Length = cmBreadth =cm
Answer» Step-by-step EXPLANATION: Let the original length be l and breadth be b Given:- Perimeter=60 2(l+b)=60 l+b=30_____(1) Now length is REDUCED to 7 and breadth is increased by 7 to make square So l¹=l-7 and b¹=b+7 Since it's a square l¹=b¹ l-7=b+7 l-b=14____(2) (1)+(2)=> l+b+l-b=30+14 2l=44 l=22. Length=22cm (1)-(2)=>l+b-l+b=30-14 2b=16 b=8. Breadth=8cm Hope this answer helped you. please mark my answer as the branliest answer

4.

A rectangle has a perimeter of 60 cm. If the length isreduced by 7 cm and the breadth is increased by7 cm, the rectangle is made into a square.What are the dimensions of the original rectangle?Length = cmBreadth =cm

Answer»

Step-by-step EXPLANATION:

Let the original length be l and breadth be b

Given:- Perimeter=60

2(l+b)=60

l+b=30_____(1)

Now length is REDUCED to 7 and breadth is increased by 7 to make square

So l¹=l-7 and b¹=b+7

Since it's a square

l¹=b¹

l-7=b+7

l-b=14____(2)

(1)+(2)=> l+b+l-b=30+14

2l=44

l=22. Length=22cm

(1)-(2)=>l+b-l+b=30-14

2b=16

b=8. Breadth=8cm

Hope this answer helped you.

please mark my answer as the branliest answer

Discussion

5.	OneaddedPositiveinteger is live limesanotherPositive integer. If15 istoboththe intergerthe greater integerbecomesdouble than thesmaller integerFind both the inleger.
Answer» ANSWER: the both the INTEGER is thirty (30) it is ALWAYS double

5.

OneaddedPositiveinteger is live limesanotherPositive integer. If15 istoboththe intergerthe greater integerbecomesdouble than thesmaller integerFind both the inleger.

Answer»

ANSWER:

the both the INTEGER is thirty (30) it is ALWAYS double

Discussion

6.	14. Find the sum of all sides of the following rectangle.Im12935148(A)m(B)m(C)m148(D)148m14835(E) None of these
Answer» ANSWER: answer is (E) Step-by-step EXPLANATION: MARK as BRAINLIST

6.

14. Find the sum of all sides of the following rectangle.Im12935148(A)m(B)m(C)m148(D)148m14835(E) None of these

Answer»

ANSWER:

answer is (E)

Step-by-step EXPLANATION:

MARK as BRAINLIST

Discussion

7.	Exerciseuestions 1 to 25, there are four options out of which one is correct.ose the correct answer.PA mamber which can be expressed as where p and q are integers9and q=0 isLa natural numberth) whole number.(d) rational numbershP
Answer» Step-by-step explanation: Rational NUMBER is the answer please MARK me as brainlist

7.

Exerciseuestions 1 to 25, there are four options out of which one is correct.ose the correct answer.PA mamber which can be expressed as where p and q are integers9and q=0 isLa natural numberth) whole number.(d) rational numbershP

Answer»

Step-by-step explanation:

Rational NUMBER is the answer

please MARK me as brainlist

Discussion

8.	Outon Thursday morning?on Tuesday and deposited 500 on Wednesday. What would be the balance8. The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°C per hour until midnight,at what time would the temperature be 8°C below zero? What would be the temperature at midnight?nd (-3) marks are given for9. In a class test (+5)
Answer» Answer: HOPE you LIKE it Step-by-step EXPLANATION: plzz Mark me as brainliest

8.

Outon Thursday morning?on Tuesday and deposited 500 on Wednesday. What would be the balance8. The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°C per hour until midnight,at what time would the temperature be 8°C below zero? What would be the temperature at midnight?nd (-3) marks are given for9. In a class test (+5)

Answer»

Answer:

HOPE you LIKE it

Step-by-step EXPLANATION:

plzz Mark me as brainliest

Discussion

9.	A television set is sold for Rs 6800 at a loss off 15%Find- i) cost of the T.v set.ii) new selling price of it, in order to gain 12%Please give me specific answers please
Answer» ANSWER: MARK me as BRAINLIST have a NICE DAY

9.

A television set is sold for Rs 6800 at a loss off 15%Find- i) cost of the T.v set.ii) new selling price of it, in order to gain 12%Please give me specific answers please

Answer»

ANSWER:

MARK me as BRAINLIST have a NICE DAY

Discussion

10.	12. Is it possible to construct quadrilateral PQRS, in which PQ=5cm, QR=8.5cm,˂P= 150° , ˂Q =90° ˂R 125° ? Give reasons for your answer.
Answer» ANSWER: NO *NOT* *POSAIBLE AS THE* *MEASURES* *ARE* *NOT* *PROPER* *FOR* *PROPERTIES* OF *QUADRILATERAL*

10.

12. Is it possible to construct quadrilateral PQRS, in which PQ=5cm, QR=8.5cm,˂P= 150° , ˂Q =90° ˂R 125° ? Give reasons for your answer.

Answer»

ANSWER:

NO NOT POSAIBLE AS THE MEASURES ARE NOT PROPER FOR PROPERTIES OF QUADRILATERAL

Discussion

11.	The result to theMultiply 31.57 by 483 1 5 74 825 2 5 61 2 6 2 8 01 5 1 5.3 6516331.57 x 48 =We can make an estimation of the answer.31.57 448.31.57 x 48 Is your answer close to the estimated value?Is the answer reasonable?
Answer» Step-by-step explanation: the result to the Multiply 31.57 by 48 3 1 5 7 4 8 25 2 5 6 1 2 6 2 8 0 1 5 1 5.3 6 5163 31.57 x 48 = We can make an estimation of the answer. 31.57 4 48. 31.57 x 48 Is your answer close to the ESTIMATED value? Is the answer reasonable?

11.

The result to theMultiply 31.57 by 483 1 5 74 825 2 5 61 2 6 2 8 01 5 1 5.3 6516331.57 x 48 =We can make an estimation of the answer.31.57 448.31.57 x 48 Is your answer close to the estimated value?Is the answer reasonable?

Answer»

Step-by-step explanation:

the result to the

Multiply 31.57 by 48

3 1 5 7

4 8

25 2 5 6

1 2 6 2 8 0

1 5 1 5.3 6

5163

31.57 x 48 =

We can make an estimation of the answer.

31.57 4

48.

31.57 x 48

Is your answer close to the ESTIMATED value?

Is the answer reasonable?

Discussion

12.	130°4. In figure 2.24, measures of some anglesare shown. Using the measures find themeasures of Zx and Zy and henceshow that line 1 \|\| line m.X50° plz solve it
Answer» Answer: 140 DEGREE would you LIKE to be my friend I am FORM SINGAPORE

12.

130°4. In figure 2.24, measures of some anglesare shown. Using the measures find themeasures of Zx and Zy and henceshow that line 1 || line m.X50° plz solve it

Answer»

Answer:

140 DEGREE would you LIKE to be my friend I am FORM SINGAPORE

Discussion

13.	A mess had enough food for 120 students for 200 days. After 5 days, 30 students leave the mess. Forhow long will the remaining food last?
Answer» ANSWER: total provision can be CONSUMED by 1 man = 120 × 200 = 24000 days . THUS, the remaining provision will last for 260 days. Step-by-step explanation: hope it's is help FULL

13.

A mess had enough food for 120 students for 200 days. After 5 days, 30 students leave the mess. Forhow long will the remaining food last?

Answer»

ANSWER:

total provision can be CONSUMED by 1 man = 120 × 200 = 24000 days . THUS, the remaining provision will last for 260 days.

Step-by-step explanation:

hope it's is help FULL

Discussion

14.	One positive integer is 5 times greater than another positive integer if 15 is added to both integers the greater integer becomes double than the smaller integer find the integer
Answer» ANSWER: ▪Let one integer be y Then the other one be 5y When 15 is added, the no.s become as y+15,5y+15 Then it will become as, 2(y+15)=5y+15 2×y+15×2=5y+15 2y+30=5y+15 30=5y-2y+15 30=3y+15 3y=30-15=15 y=15/3=5 ▪Then the two positive INTEGERS are 5,5×5=5,25 *HOPE* IT *HELPS* *YOU* *BETTER* IF IT *FOUND* *USEFUL,FOLLOW* ME *AND* *THANK* MY *ANSWERS* @*athiraammu*

14.

One positive integer is 5 times greater than another positive integer if 15 is added to both integers the greater integer becomes double than the smaller integer find the integer

Answer»

ANSWER:

▪Let one integer be y

Then the other one be 5y

When 15 is added, the no.s become as

y+15,5y+15

Then it will become as,

2(y+15)=5y+15

2×y+15×2=5y+15

2y+30=5y+15

30=5y-2y+15

30=3y+15

3y=30-15=15

y=15/3=5

▪Then the two positive INTEGERS are 5,5×5=5,25

HOPE IT HELPS YOU BETTER

IF IT FOUND USEFUL,FOLLOW ME AND THANK MY ANSWERS

@athiraammu

Discussion

15.	Find the hcf of 35,40,55 with prime factorisation methodfull image. full exclamation
Answer» MARK the ANSWER as BRAINLIEST...... HOPE it HELPS you.....

15.

Find the hcf of 35,40,55 with prime factorisation methodfull image. full exclamation

Answer»

MARK the ANSWER as BRAINLIEST......

HOPE it HELPS you.....

Discussion

16.	Round off the following number nearest 1000 - 5,09,786round off the no. nearest 1,00,000 - 5,67,800
Answer» ANSWER: answer of these questions 1) 5,09,000 2) 6,00,000

16.

Round off the following number nearest 1000 - 5,09,786round off the no. nearest 1,00,000 - 5,67,800

Answer»

ANSWER:

answer of these questions

1) 5,09,000

2) 6,00,000

Discussion

17.	Please answer this questions. I request you. pleaseeeeeeeeeee you can solve it by tomarrow 12 pmbut plz plz plz solve it
Answer» Answer: Step-by-step explanation: yes, it is a perfect cube. We can SOLVE it by PRIME factorization method. After RESOLVING the prime factors, we get 13824 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 Grouping = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 Taking ONE factor from each group ∛13824 = 2 x 2 x 2 x 3 ∛13824 = 24 2.

17.

Please answer this questions. I request you. pleaseeeeeeeeeee you can solve it by tomarrow 12 pmbut plz plz plz solve it

Answer»

Answer:

Step-by-step explanation:

yes, it is a perfect cube.

We can SOLVE it by PRIME factorization method.

After RESOLVING the prime factors, we get

13824 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3

Grouping

= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3

Taking ONE factor from each group

∛13824 = 2 x 2 x 2 x 3

∛13824 = 24

2.

Discussion

18.	6. 15 boxes each containing 18 juice cartons cost 5400. What is the cost of 22 boxes each containing 14juice cartons?7. 28 pumps can empty a reservoir in 18 hours. In how many hours can 42 such pumps do the samework?
Answer» ANSWER: PLEASE MARK as brainleast. Step-by-step EXPLANATION: i will FOLLOW you.

18.

6. 15 boxes each containing 18 juice cartons cost 5400. What is the cost of 22 boxes each containing 14juice cartons?7. 28 pumps can empty a reservoir in 18 hours. In how many hours can 42 such pumps do the samework?

Answer»

ANSWER:

PLEASE MARK as brainleast.

Step-by-step EXPLANATION:

i will FOLLOW you.

Discussion

19.	In one day, a rickshaw puller earned Rs137 . Out of this money, he spent Rs56 onfood. How much money,801828082
Answer» ANSWER: MONEY LEFT is 81. RUPEES

19.

In one day, a rickshaw puller earned Rs137 . Out of this money, he spent Rs56 onfood. How much money,801828082

Answer»

ANSWER:

MONEY LEFT is 81. RUPEES

Discussion

20.	Playing with Numbers11. If 5725a4 is divisible by 4, where a is a digit, what is the value of a ?12. If 76a91 is divisible by 9, where a is a digit, what is the value of a ?3. Without performing actual division, find the remainder when 928174653 is divided by 11?4. Write down a number of three digits which is(i) divisible by 2 but not divisible by 4.(ii) divisible by 3 but not divisible by 6.Answers1. Numbers given in (i), (ii), (iii), (v) and (vi) are divisible by 33. 2.4.(i) False(ii) False5.6. z=0,3,6,9 7.x=31. a=0,2,4,6,8 12. a=413. 102. Numbers given in (ii) and(iii) False(iv) True8. a=0,3,6,9 9. 1,3,14. (i) 542(ii) 231sat even places), y=1TEST PAPER - 5ivided by 5 ?al Marks: 333105 is divisible by 3. Also
Answer» ANSWER: OMG so big question I can't UNDERSTAND so I can't answer

20.

Playing with Numbers11. If 5725a4 is divisible by 4, where a is a digit, what is the value of a ?12. If 76a91 is divisible by 9, where a is a digit, what is the value of a ?3. Without performing actual division, find the remainder when 928174653 is divided by 11?4. Write down a number of three digits which is(i) divisible by 2 but not divisible by 4.(ii) divisible by 3 but not divisible by 6.Answers1. Numbers given in (i), (ii), (iii), (v) and (vi) are divisible by 33. 2.4.(i) False(ii) False5.6. z=0,3,6,9 7.x=31. a=0,2,4,6,8 12. a=413. 102. Numbers given in (ii) and(iii) False(iv) True8. a=0,3,6,9 9. 1,3,14. (i) 542(ii) 231sat even places), y=1TEST PAPER - 5ivided by 5 ?al Marks: 333105 is divisible by 3. Also

Answer»

ANSWER:

OMG so big question I can't UNDERSTAND so I can't answer

Discussion

21.	As an estimation we are told 5 miles is 8 km. Convert 60 km to miles
Answer» ANSWER: s 846464656646464646446jdfjjfjjd Step-by-step EXPLANATION: jdjdjddjdjdj

21.

As an estimation we are told 5 miles is 8 km. Convert 60 km to miles

Answer»

ANSWER:

s 846464656646464646446jdfjjfjjd

Step-by-step EXPLANATION:

jdjdjddjdjdj

Discussion

22.	Represent the thing actions na numer dine5+2Compare the following10+13-19Subtraction of integersstudy the subcongan below
Answer» Answer: urjdjf gzhdhd G dud bdjo Di if if Fifield SUBDUED dxjcj Duddington udxcj idxjy FIGO bdjo HUGO Uffington humidifier UNFIT rufifiudhd utfiif find if udfgk itoyog

22.

Represent the thing actions na numer dine5+2Compare the following10+13-19Subtraction of integersstudy the subcongan below

Answer»

Answer:

urjdjf gzhdhd G dud bdjo Di if if Fifield SUBDUED dxjcj Duddington udxcj idxjy FIGO bdjo HUGO Uffington humidifier UNFIT rufifiudhd utfiif find if udfgk itoyog

Discussion

23.	6500 sq cm and the volumecontained in it is 26 cu m. The(C)20. The area of base of a rectanguwater is(a) 300 cm(C) 228 cm0.(b) 400 cm(d) 225 cm
Answer» ANSWER: chjcmmvg Step-by-step EXPLANATION: busjli hbbknh nnnjfdbki jgjl

23.

6500 sq cm and the volumecontained in it is 26 cu m. The(C)20. The area of base of a rectanguwater is(a) 300 cm(C) 228 cm0.(b) 400 cm(d) 225 cm

Answer»

ANSWER:

chjcmmvg

Step-by-step EXPLANATION:

busjli

hbbknh

nnnjfdbki

jgjl

Discussion

24.	Draw triangles with the measures givenbelow.(a) In AABC, 1(AB) = 5.5 cm,I(BC) = 4.2 cm, 1(AC) = 3.5 cm(b) In ASTU, I(ST) = 7 cm,I(TU) = 4 cm, I(SU) = 5 cm(c) In APQR, I(PQ) = 6 cm,I(QR) = 3.8 cm, (PR) = 4.5 cm
Answer» Answer: NAME JAAN KE kya karogi

24.

Draw triangles with the measures givenbelow.(a) In AABC, 1(AB) = 5.5 cm,I(BC) = 4.2 cm, 1(AC) = 3.5 cm(b) In ASTU, I(ST) = 7 cm,I(TU) = 4 cm, I(SU) = 5 cm(c) In APQR, I(PQ) = 6 cm,I(QR) = 3.8 cm, (PR) = 4.5 cm

Answer»

Answer:

NAME JAAN KE kya karogi

Discussion

25.	A SET WITH FINITE NUMBER OF ELEMENTS IS CALLED AA) FINITE SETB) SINGLETON SET C) EMPTY SET D) INFINITE SET
Answer» ANSWER: *FINITE Set* Step-by-step explanation: Finite set MEANS we can able to COUNT the elements and it will definitely comes to an end.

25.

A SET WITH FINITE NUMBER OF ELEMENTS IS CALLED AA) FINITE SETB) SINGLETON SET C) EMPTY SET D) INFINITE SET

Answer»

ANSWER:

FINITE Set

Step-by-step explanation:

Finite set MEANS we can able to COUNT the elements and it will definitely comes to an end.

Discussion

26.	E and Frespectively the points of equalsides AB and AC OF DABOShow that BF = CEАEIn A ABE and A ACEAB = AC given(A) LALA common side15)AF = AE half of equal BsidesSo, AABF A ACE (SAG)BE = CE-cpct.
Answer» ANSWER: tooooooooooooooooooooooooooooooooooooo difficult

26.

E and Frespectively the points of equalsides AB and AC OF DABOShow that BF = CEАEIn A ABE and A ACEAB = AC given(A) LALA common side15)AF = AE half of equal BsidesSo, AABF A ACE (SAG)BE = CE-cpct.

Answer»

ANSWER:

tooooooooooooooooooooooooooooooooooooo

difficult

Discussion

27.	A box of dimensions 3 cm x 4 cm x 12 cm is shown.Calculate the length of the diagonal AP.please answer my question. I will mark them as brainliest
Answer» ANSWER: answer for the GIVEN PROBLEM is given

27.

A box of dimensions 3 cm x 4 cm x 12 cm is shown.Calculate the length of the diagonal AP.please answer my question. I will mark them as brainliest

Answer»

ANSWER:

answer for the GIVEN PROBLEM is given

Discussion

28.	URGENT!!!!!!!!!!!The number of prime numbers between 1 and 100 is ?
Answer» Answer: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 Mark me as Brainliest

28.

URGENT!!!!!!!!!!!The number of prime numbers between 1 and 100 is ?

Answer»

Answer:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

Mark me as Brainliest

Discussion

29.	As an estimation we are told 5 miles is 8 km. Convert 32.5 miles to km
Answer» ANSWER: HLO dear Step-by-step explanation: if 5 miles is =8km = than one mile is 1.6 km = THEN 32.5 MILES = 32.5 × 1.6 = 52 km ... hopes it's help you please mark as brain list and give a thank

29.

As an estimation we are told 5 miles is 8 km. Convert 32.5 miles to km

Answer»

ANSWER:

HLO dear

Step-by-step explanation:

if 5 miles is =8km

= than one mile is 1.6 km

= THEN 32.5 MILES = 32.5 × 1.6 = 52 km ...

hopes it's help you please mark as brain list and give a thank

Discussion

30.	A submarine was floating at the depth of 420 metres below the sea level. If it ascends 210 metres,what will be the new position? Express the position in terms of height.
Answer» Answer: Let's take sea level as our horizon: if you are on the water surface, your height is h = 0 . Also, let's assume a vertical axis pointing upwards. This means that the submarine, being 800 feet away from the horizon in the opposite direction with RESPECT to the axis, will have a negative height of h 0 = − 800 . If it ascends 250 feets, it GAINS altitude, so the new height is h 1 = − 800 + 250 = − 550 feet. Note that this problem heavily DEPENDS on the coordinate system you adopt. In fact, I may have chosen an axes whose origin is set at the INITIAL position of the submarine (which would have become the h 0 = 0 ), pointing upwards, and the new position would have been h 1 = 0 + 250 = 250 feet. The only things that won't change is that the new position will be 250 "more" than the old one. But if you want to compute absolute values, you need to SPECIFY a coordinate system, otherwise you may have as many answers as you want.

30.

A submarine was floating at the depth of 420 metres below the sea level. If it ascends 210 metres,what will be the new position? Express the position in terms of height.

Answer»

Answer:

Let's take sea level as our horizon: if you are on the water surface, your height is

h

=

0

. Also, let's assume a vertical axis pointing upwards. This means that the submarine, being

800

feet away from the horizon in the opposite direction with RESPECT to the axis, will have a negative height of

h

0

=

−

800

.

If it ascends

250

feets, it GAINS altitude, so the new height is

h

1

=

−

800

+

250

=

−

550

feet.

Note that this problem heavily DEPENDS on the coordinate system you adopt. In fact, I may have chosen an axes whose origin is set at the INITIAL position of the submarine (which would have become the

h

0

=

0

), pointing upwards, and the new position would have been

h

1

=

0

+

250

=

250

feet.

The only things that won't change is that the new position will be

250

"more" than the old one. But if you want to compute absolute values, you need to SPECIFY a coordinate system, otherwise you may have as many answers as you want.

Discussion

31.	Of a Rhombus colll interest at.3) In the Quadrilateral B, E, L, T, LB - 80°, LE=1000LL:120 Then LT=
Answer» Step-by-step EXPLANATION: QUESTION is not clear please MAKE SURE you have any QUESTIONS

31.

Of a Rhombus colll interest at.3) In the Quadrilateral B, E, L, T, LB - 80°, LE=1000LL:120 Then LT=

Answer»

Step-by-step EXPLANATION:

QUESTION is not clear

please MAKE SURE you have any QUESTIONS

Discussion

32.	8th grade questionPls answer quickly I will mark you as the brainliest
Answer» IDENTITY.: a^2 + b^2 + 2AB = (a+b) ^2

32.

8th grade questionPls answer quickly I will mark you as the brainliest

Answer»

IDENTITY.:

a^2 + b^2 + 2AB = (a+b) ^2

Discussion

33.	(x+3) (x+7) expand the following using suitable identiy
Answer» ANSWER: X(x+7)+3(x+7) x²+7x+3x+21 x²+10x+21

33.

(x+3) (x+7) expand the following using suitable identiy

Answer»

ANSWER:

X(x+7)+3(x+7)

x²+7x+3x+21

x²+10x+21

Discussion

34.	Hey Guys ! I asked a question and above answer is correct guys that question isBy rounding to the nearest tenQuestion: 84×57
Answer» Step-by-step EXPLANATION: your SOLUTION is WRONG when we MULTIPLY 84×57= 4788

34.

Hey Guys ! I asked a question and above answer is correct guys that question isBy rounding to the nearest tenQuestion: 84×57

Answer»

Step-by-step EXPLANATION:

your SOLUTION is WRONG when we MULTIPLY 84×57= 4788

Discussion

35.	Which of the following is divisible by 3? *1 point152871526715263815286
Answer» Step-by-step explanation: only 15267 is divisible by 3 I HOPE this is helpful for u follow me Mark as BRAILINT ANSWER

35.

Which of the following is divisible by 3? *1 point152871526715263815286

Answer»

Step-by-step explanation:

only 15267 is divisible by 3

I HOPE this is helpful for u

follow me

Mark as BRAILINT ANSWER

Discussion

36.	Anne earned $3 an hour baby-sitting, and $4 an hour working in the garden. Last week she didBaby-sitting for 5 hours and garden work for 3 hours. How much more money does she need tobuy a game that costs $35?
Answer» Answer: The answer is Anne needs $8 dollars to buy her game. Step-by-step explanation: She earns $3 dollars an hour by baby-sitting which she did for 5 hours. Multiply 3X5 or $3 dollars an hour X 5 hours WORKED, to get $15. She earns $4 dollars an hour from the garden which she did for 3 hours Multiply 4x3 or $4 dollars an hour x 3 hours worked, to get $12. Now add 12 and 15 to get the sum of $27 dollars total Lastly you can subtract 27 from 35 to get you answer of $8

36.

Anne earned $3 an hour baby-sitting, and $4 an hour working in the garden. Last week she didBaby-sitting for 5 hours and garden work for 3 hours. How much more money does she need tobuy a game that costs $35?

Answer»

Answer:

The answer is Anne needs $8 dollars to buy her game.

Step-by-step explanation:

She earns $3 dollars an hour by baby-sitting which she did for 5 hours.

Multiply 3X5 or $3 dollars an hour X 5 hours WORKED, to get $15.

She earns $4 dollars an hour from the garden which she did for 3 hours

Multiply 4x3 or $4 dollars an hour x 3 hours worked, to get $12.

Now add 12 and 15 to get the sum of $27 dollars total

Lastly you can subtract 27 from 35 to get you answer of $8

Discussion

37.	4. Find the sum of the smallest 6 digit number & the largest 5- digit number formed withthe digits 1,0,6,8. Repetition of digits is allowed.
Answer» SIX SMALLEST DIGIT no = 10068 5 LARGEST digit no = 88610

37.

4. Find the sum of the smallest 6 digit number & the largest 5- digit number formed withthe digits 1,0,6,8. Repetition of digits is allowed.

Answer»

SIX SMALLEST DIGIT no = 10068

5 LARGEST digit no = 88610

Discussion

38.	Hi Class 9,I have a small doubt EX 14.1 In maths txtbkIs Qno.1 is correct or Not?if pic is too dark raise the brightness level
Answer» ANSWER: Not in CLASS 9..........

38.

Hi Class 9,I have a small doubt EX 14.1 In maths txtbkIs Qno.1 is correct or Not?if pic is too dark raise the brightness level

Answer»

ANSWER:

Not in CLASS 9..........

Discussion

39.	ABC and DOC ore two isosceles triangles onthe same base Bc show that angle ABD = angle ACD.KINDLY SEND STEP BY STEP SOLUTION PLEASE.......
Answer» ANSWER: .as it BISECT the ANGLE

39.

ABC and DOC ore two isosceles triangles onthe same base Bc show that angle ABD = angle ACD.KINDLY SEND STEP BY STEP SOLUTION PLEASE.......

Answer»

ANSWER:

.as it BISECT the ANGLE

Discussion

40.	Find the compound interest on rupees 12500 for three years at 10% for per annum compounded annually?
Answer» S O L U T I O N : <P> $\underline{\bf{Given\::}}$ Principal, (P) = Rs.12500 Rate, (R) = 10% p.a. Time, (n) = 3 years . $\underline{\bf{Explanation\::}}$ As we know that formula of the compounded annually; $\boxed{\bf{Amount=Principal\bigg(1+\frac{R}{100} \bigg)^{n}}}$ A/q $\mapsto\tt{Amount=12500\bigg(1+\cancel{\dfrac{10}{100}} \bigg)^{3}}$ $\mapsto\tt{Amount=12500\bigg(1+\dfrac{1}{10} \bigg)^{3}}$ $\mapsto\tt{Amount=12500\bigg(\dfrac{10+1}{10} \bigg)^{3}}$ $\mapsto\tt{Amount=12500\bigg(\dfrac{11}{10} \bigg)^{3}}$ $\mapsto\tt{Amount=125\cancel{00} \times \dfrac{11}{\cancel{10} }\times \dfrac{11}{\cancel{10}} \times \dfrac{11}{10} }$ $\mapsto\tt{Amount=\dfrac{125 \times 11 \times 11 \times 11}{10} }$ $\mapsto\tt{Amount=\cancel{\dfrac{166375}{10} }}$ $\mapsto\bf{Amount=Rs.16637.5}$ Now, as we know that compound INTEREST ; → C.I. = Amount - Principal → C.I. = Rs.16637.5 - Rs.12500 → C.I. = Rs.4137.5 Thus; The compound Interest will be Rs.4137.5 .

40.

Find the compound interest on rupees 12500 for three years at 10% for per annum compounded annually?

Answer»

S O L U T I O N :

<P> $\underline{\bf{Given\::}}$

Principal, (P) = Rs.12500
Rate, (R) = 10% p.a.
Time, (n) = 3 years .

$\underline{\bf{Explanation\::}}$

As we know that formula of the compounded annually;

$\boxed{\bf{Amount=Principal\bigg(1+\frac{R}{100} \bigg)^{n}}}$

A/q

$\mapsto\tt{Amount=12500\bigg(1+\cancel{\dfrac{10}{100}} \bigg)^{3}}$

$\mapsto\tt{Amount=12500\bigg(1+\dfrac{1}{10} \bigg)^{3}}$

$\mapsto\tt{Amount=12500\bigg(\dfrac{10+1}{10} \bigg)^{3}}$

$\mapsto\tt{Amount=12500\bigg(\dfrac{11}{10} \bigg)^{3}}$

$\mapsto\tt{Amount=125\cancel{00} \times \dfrac{11}{\cancel{10} }\times \dfrac{11}{\cancel{10}} \times \dfrac{11}{10} }$

$\mapsto\tt{Amount=\dfrac{125 \times 11 \times 11 \times 11}{10} }$

$\mapsto\tt{Amount=\cancel{\dfrac{166375}{10} }}$

$\mapsto\bf{Amount=Rs.16637.5}$

Now, as we know that compound INTEREST ;

→ C.I. = Amount - Principal

→ C.I. = Rs.16637.5 - Rs.12500

→ C.I. = Rs.4137.5

Thus;

The compound Interest will be Rs.4137.5 .

Discussion

41.	Worksheet 11. Look at the figure carefully and complete the statements.(a) _BAY = ZABC +(b) CBZ = 2+ L= CAB + ZABCC XZ142
Answer» ANSWER: where is the FIGURE. PLZ TELL me

41.

Worksheet 11. Look at the figure carefully and complete the statements.(a) _BAY = ZABC +(b) CBZ = 2+ L= CAB + ZABCC XZ142

Answer»

ANSWER:

where is the FIGURE. PLZ TELL me

Discussion

42.	How many hours have passed between:(a) 11:00 a.m. and 1:00 p.m.(b) 5:00 a.m. and 7:00 p.m.(c) 12 midnight and 3:00 p.m.(d) 9:00 p.m. and 2.00 a.m.(e) 10:00 a.m. and 10:00 p.m.(f)7:30 a.m. and 9:30 a.m.(g) 12 noon and 2:30 p.m.(h) 1:00 a.m. and 2:20 p.m.(g) 10:30 am, and 4:00 p.m.
Answer» Answer: here is your answer Step-by-step EXPLANATION: a) 2 hours b) 9 hours c) 15 hours d) 5 hours e) 12 hours f) 2 hours g) 2 hours 30 minutes h) 8 hours 20 minutes g) 5 hours 30 minutes

42.

How many hours have passed between:(a) 11:00 a.m. and 1:00 p.m.(b) 5:00 a.m. and 7:00 p.m.(c) 12 midnight and 3:00 p.m.(d) 9:00 p.m. and 2.00 a.m.(e) 10:00 a.m. and 10:00 p.m.(f)7:30 a.m. and 9:30 a.m.(g) 12 noon and 2:30 p.m.(h) 1:00 a.m. and 2:20 p.m.(g) 10:30 am, and 4:00 p.m.

Answer»

Answer:

here is your answer

Step-by-step EXPLANATION:

a) 2 hours

b) 9 hours

c) 15 hours

d) 5 hours

e) 12 hours

f) 2 hours

g) 2 hours 30 minutes

h) 8 hours 20 minutes

g) 5 hours 30 minutes

Discussion

43.	17. The sum of two digit number is -23. If one of the integer is 145, find the other18. The H.C.F of two number is 12 and their product is 2160. Find their L.C.M.
Answer» Step-by-step EXPLANATION: titty TUESDAY and Wednesday and Thursday and Friday the 13th and I don't you think I have no excuse to be with u but I'm GOING to get to the for us all to well I'm in LOVE again I am a very long and you know I it g 3rd g I think I have no excuse my everything and I don't you think I have no excuse my everything and I don't you think I have no excuse my everything and I was like OH cool I'll let him do that and I'm so happy I have no

43.

17. The sum of two digit number is -23. If one of the integer is 145, find the other18. The H.C.F of two number is 12 and their product is 2160. Find their L.C.M.

Answer»

Step-by-step EXPLANATION:

titty TUESDAY and Wednesday and Thursday and Friday the 13th and I don't you think I have no excuse to be with u but I'm GOING to get to the for us all to well I'm in LOVE again I am a very long and you know I it g 3rd g I think I have no excuse my everything and I don't you think I have no excuse my everything and I don't you think I have no excuse my everything and I was like OH cool I'll let him do that and I'm so happy I have no

Discussion

44.	SRIKARI PUBLIC SCHOOL HOSPETSLIP TEST-\|\| MATHEMATICSFRACTION AND DECIMALSCLASS: VII1. The fraction (p+g)/q equalsа) Рb) p/q +1c) p/q+qd) p/q2. One side of a square 2/a, its perimeter isa) 4/ab) 8/ac) 4/a2d) 8/a23. Product of 5/7 x 3/5 x 2/5 x 5 is equal to aa) 3b) 36/7c) 11/7d) 6/74. Write in descending order 4/5, 2/3,1/2, 3/4a)4/5>2/3> 1/2 3/4c)1/2>2/3>4/5>3/4b)3/4>1/2>4/5>2/3d)4/5>3/4>2/3>1/25. Reciprocal of 13/11a) 11/13b)11/9c)11/10d)11/14
Answer» Answer: it's too LONG and you should TRY to solve it first please MARK me the BRAINLIEST

44.

SRIKARI PUBLIC SCHOOL HOSPETSLIP TEST-|| MATHEMATICSFRACTION AND DECIMALSCLASS: VII1. The fraction (p+g)/q equalsа) Рb) p/q +1c) p/q+qd) p/q2. One side of a square 2/a, its perimeter isa) 4/ab) 8/ac) 4/a2d) 8/a23. Product of 5/7 x 3/5 x 2/5 x 5 is equal to aa) 3b) 36/7c) 11/7d) 6/74. Write in descending order 4/5, 2/3,1/2, 3/4a)4/5>2/3> 1/2 3/4c)1/2>2/3>4/5>3/4b)3/4>1/2>4/5>2/3d)4/5>3/4>2/3>1/25. Reciprocal of 13/11a) 11/13b)11/9c)11/10d)11/14

Answer»

Answer:

it's too LONG and you should TRY to solve it first

please MARK me the BRAINLIEST

Discussion

45.	LM Find the measures of the angles made by theintersecting lines at the vertices of anequilateral triangle
Answer» ANSWER: ok Step-by-step EXPLANATION:

45.

LM Find the measures of the angles made by theintersecting lines at the vertices of anequilateral triangle

Answer»

ANSWER:

ok

Step-by-step EXPLANATION:

Discussion

46.	How many minutes have passed between:(a) 3 o'clock and quarter past 3(b) Half past 4 and quarter to 5.(c) 5:10 and 5:25.(d) Quarter to 9 and quarter past 9.(e) I o'clock and 20 minutes past 1(f) 10:20 and 10:45
Answer» Answer: A. 45 minutes PASS between 3 o'clock and quarter to 4. B. 15 minutes Half past 4 and quarter to 5 C. 15 D. 30 Please MARK me as the brainliest and do FOLLOW me

46.

How many minutes have passed between:(a) 3 o'clock and quarter past 3(b) Half past 4 and quarter to 5.(c) 5:10 and 5:25.(d) Quarter to 9 and quarter past 9.(e) I o'clock and 20 minutes past 1(f) 10:20 and 10:45

Answer»

Answer:

A. 45 minutes PASS between 3 o'clock and quarter to 4.

B. 15 minutes Half past 4 and quarter to 5

C. 15

D. 30

Please MARK me as the brainliest and do FOLLOW me

Discussion

47.	Quadrilateral: - A simple closed figure bounded by four-line segments iscalled quadrilateral
Answer» ANSWER: YES BRO it is REALLY RIGHT

47.

Quadrilateral: - A simple closed figure bounded by four-line segments iscalled quadrilateral

Answer»

ANSWER:

YES BRO it is REALLY RIGHT

Discussion

48.	Expand the following equation using suitable identites(xy+yz)²
Answer» ANSWER: x²y² +y²z² +2xy²z identity-(a+b)²=a²+b²+2ab

48.

Expand the following equation using suitable identites(xy+yz)²

Answer»

ANSWER:

x²y² +y²z² +2xy²z

identity-(a+b)²=a²+b²+2ab

Discussion

49.	95Each side of aregular bolagen je 2.6 cm inlength. The perimet do the polygon is bemHow many sides does adygon chave p
Answer» ggvvxxyk xukbxyujjnvcc

49.

95Each side of aregular bolagen je 2.6 cm inlength. The perimet do the polygon is bemHow many sides does adygon chave p

Answer»

ggvvxxyk xukbxyujjnvcc

Discussion

50.	18)Answer the following:a)Which operation is performed when I or V is on the right side of thesymbol of a bigger number?b)Which operation is performed when I or V is on the left side of thesymbol of a bigger number?
Answer» ANSWER: *ydeyhdvcscbscxsnrrbs5jthHsfwjhuuehrhrbvdvsgsdbdvgdgdhbfbxbxvxvvfvd.ggddggdvdbd gdhfnngnHsgtmgnX* *djjfhfnjh3ttehrjyihr*

50.

18)Answer the following:a)Which operation is performed when I or V is on the right side of thesymbol of a bigger number?b)Which operation is performed when I or V is on the left side of thesymbol of a bigger number?

Answer»

ANSWER:

ydeyhdvcscbscxsnrrbs5jthHsfwjhuuehrhrbvdvsgsdbdvgdgdhbfbxbxvxvvfvd.ggddggdvdbd
gdhfnngnHsgtmgnX
djjfhfnjh3ttehrjyihr

Discussion

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I HOPE this is helpful for u

follow me

Mark as BRAILINT ANSWER

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17. The sum of two digit number is -23. If one of the integer is 145, find the other18. The H.C.F of two number is 12 and their product is 2160. Find their L.C.M.

LM Find the measures of the angles made by theintersecting lines at the vertices of anequilateral triangle

How many minutes have passed between:(a) 3 o'clock and quarter past 3(b) Half past 4 and quarter to 5.(c) 5:10 and 5:25.(d) Quarter to 9 and quarter past 9.(e) I o'clock and 20 minutes past 1(f) 10:20 and 10:45

Quadrilateral: - A simple closed figure bounded by four-line segments iscalled quadrilateral

95Each side of aregular bolagen je 2.6 cm inlength. The perimet do the polygon is bemHow many sides does adygon chave p

18)Answer the following:a)Which operation is performed when I or V is on the right side of thesymbol of a bigger number?b)Which operation is performed when I or V is on the left side of thesymbol of a bigger number?