332354 + Interview Questions in Secondary School in Math

1.	I am a 2-digit no. the sum of my digits is 10. write all thy possible numbers
Answer» ANSWER: Step-by-sit TEP EXPLANATION: It can be 2 or 5 2 or 8 It an 7 and 3 And many more

1.

I am a 2-digit no. the sum of my digits is 10. write all thy possible numbers

Answer»

ANSWER:

Step-by-sit TEP EXPLANATION:

It can be 2 or 5

2 or 8

It an 7 and 3

And many more

Discussion

2.	If any one is answering i will make brainlist
Answer» Answer: 4 1 and NUMBER itself Idk 1 Step-by-step EXPLANATION:

2.

If any one is answering i will make brainlist

Answer»

Answer:

4

1 and NUMBER itself

Idk

1

Step-by-step EXPLANATION:

Discussion

3.	FinFindthe compound interest in Rs. 8000 for 2 years at 6 % per annum
Answer» ANSWER: COMPOUND interest Is 988.8 In a WAY 8000 (( 1 + 0.6)^2 -1 )

3.

FinFindthe compound interest in Rs. 8000 for 2 years at 6 % per annum

Answer»

ANSWER:

COMPOUND interest Is 988.8

In a WAY 8000 (( 1 + 0.6)^2 -1 )

Discussion

4.	A special train comes once to a railway junction once every 3 days .Another train comes to the same junction once every 4 days .if the two trains cones to the junction on 5 th october on what dates in the same month will the two trains comes to that junction ?
Answer» ANSWER: LCM = 3x4=12 Oct. 5 +12=October 17TH

4.

A special train comes once to a railway junction once every 3 days .Another train comes to the same junction once every 4 days .if the two trains cones to the junction on 5 th october on what dates in the same month will the two trains comes to that junction ?

Answer»

ANSWER:

LCM = 3x4=12

Oct. 5 +12=October 17TH

Discussion

5.	Ifseco + Coso = 2Prove Sec100o+cos100o = 2
Answer» Let's take the angle as ALPHA for clarity purposes. $= > \sec( \alpha ) + \cos( \alpha ) = 2 \\ = > \frac{1}{ \cos( \alpha ) } + \cos( \alpha ) = 2 \\ = > \frac{1 + \cos^{2} ( \alpha ) }{ \cos( \alpha ) } = 2 \\ = > \cos^{2} ( \alpha ) - 2 \cos( \alpha ) + 1 = 0 \\ = > ( \cos( \alpha ) - 1)^{2} = 0 \\ = > \cos( \alpha ) = 1 \\ = > \alpha = 2n\pi, \: \: where \: n \: is \: an \: integer \\$ If we take the PRINCIPAL value of cosine then, $\alpha = 0$ Now, $\sec(100 \alpha ) + \cos(100 \alpha ) = \sec(0) + \cos(0) = 1 + 1 = 2$ *- Q.E.D.* Hope, it'll HELP you.....

5.

Ifseco + Coso = 2Prove Sec100o+cos100o = 2

Answer»

Let's take the angle as ALPHA for clarity purposes.

$= > \sec( \alpha ) + \cos( \alpha ) = 2 \\ = > \frac{1}{ \cos( \alpha ) } + \cos( \alpha ) = 2 \\ = > \frac{1 + \cos^{2} ( \alpha ) }{ \cos( \alpha ) } = 2 \\ = > \cos^{2} ( \alpha ) - 2 \cos( \alpha ) + 1 = 0 \\ = > ( \cos( \alpha ) - 1)^{2} = 0 \\ = > \cos( \alpha ) = 1 \\ = > \alpha = 2n\pi, \: \: where \: n \: is \: an \: integer \\$

If we take the PRINCIPAL value of cosine then,

$\alpha = 0$

Now,

$\sec(100 \alpha ) + \cos(100 \alpha ) = \sec(0) + \cos(0) = 1 + 1 = 2$

- Q.E.D.

Hope, it'll HELP you.....

Discussion

6.	What Is Consonants in the word geometry
Answer» ANSWER: G,m,t,R,y r the consonents Hope this will help u Follow

6.

What Is Consonants in the word geometry

Answer»

ANSWER:

G,m,t,R,y r the consonents

Hope this will help u

Follow

Discussion

7.	_3and _4 find the rational number
Answer» ANSWER: (-3-4)/2=-3.5 -3.5 is a RATIONAL NUMBER between -3 and -4

7.

_3and _4 find the rational number

Answer»

ANSWER:

(-3-4)/2=-3.5

-3.5 is a RATIONAL NUMBER between -3 and -4

Discussion

8.	A camera is accidentally knocked off an edge of a cliff 400 ft high. The camera falls a distance of s=16t^2 in t seconds. (i) How long does the camera fall before it hits the ground? (ii) What is the average velocity with which the camera falls during the last 2 seconds?
Answer» Answer: 5 secs 128ft/sec Step-by-step EXPLANATION: The camera falls a distance of s=16t^2 in t seconds S = 400 ft time Taken to reach ground => 400 = 16 * t² => t² = 25 => t = 5 sec Camera fall for 5 sec before it hits the ground in 5 sec camera fall 400 ft now 2 sec before that is 3 sec Camera has fallen for = 16 * 3² = 144 ft Distance covered in last 2 sec = 400 - 144 = 256 ft average velocity in last 2 sec = 256/2 = 128ft/sec

8.

A camera is accidentally knocked off an edge of a cliff 400 ft high. The camera falls a distance of s=16t^2 in t seconds. (i) How long does the camera fall before it hits the ground? (ii) What is the average velocity with which the camera falls during the last 2 seconds?

Answer»

Answer:

5 secs

128ft/sec

Step-by-step EXPLANATION:

The camera falls a distance of s=16t^2 in t seconds

S = 400 ft

time Taken to reach ground

=> 400 = 16 * t²

=> t² = 25

=> t = 5 sec

Camera fall for 5 sec before it hits the ground

in 5 sec camera fall 400 ft

now 2 sec before that is 3 sec

Camera has fallen for = 16 * 3² = 144 ft

Distance covered in last 2 sec = 400 - 144 = 256 ft

average velocity in last 2 sec = 256/2 = 128ft/sec

Discussion

9.	Average of the 6nos is 8. One more nos is added and the average become9.what was the additional number
Answer» ANSWER: TOTAL 6 nos=8x6=48 (48+x)/7=9 48+x=63 x = 63-48=15 /

9.

Average of the 6nos is 8. One more nos is added and the average become9.what was the additional number

Answer»

ANSWER:

TOTAL 6 nos=8x6=48

(48+x)/7=9

48+x=63

x = 63-48=15

/

Discussion

10.	Madhu and Kavitha purchased a new house for 3,20.000. Due to some economicproblems they sold the house for 2,80,000. 3,4Find (a) The loss incurred (b) the loss percentage.men homomowerhought a secnnd hand car for 1 sn Hement
Answer» ANSWER: Loss=32oooo-28oooo=4oooo Los.s%=4oooox loo/32oooo= 12 1/2%

10.

Madhu and Kavitha purchased a new house for 3,20.000. Due to some economicproblems they sold the house for 2,80,000. 3,4Find (a) The loss incurred (b) the loss percentage.men homomowerhought a secnnd hand car for 1 sn Hement

Answer»

ANSWER:

Loss=32oooo-28oooo=4oooo

Los.s%=4oooox loo/32oooo=

12 1/2%

Discussion

11.	The population of a village has a constant growth of 6.25% every year. .present population 82536.what was the population two yes ago
Answer» ANSWER: POPULATION 2 YRS agobe X Xxl06.25/loox 106.25/loo=82536 X =82536xloox, I00/106.25 x 106.25 =73111

11.

The population of a village has a constant growth of 6.25% every year. .present population 82536.what was the population two yes ago

Answer»

ANSWER:

POPULATION 2 YRS agobe X

Xxl06.25/loox 106.25/loo=82536

X =82536xloox, I00/106.25 x 106.25

=73111

Discussion

12.	3x^4-4x^3-3x-1 divided by x-1
Answer» ANSWER: Step-by-step EXPLANATION:

12.

3x^4-4x^3-3x-1 divided by x-1

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

13.	Study of various aspects of Pythagoras theorems
Answer» ANSWER: ACCORDING to PYTHAGORAS theorem the square of its HYPOTENUSE is equal to the sum of its BASE and height

13.

Study of various aspects of Pythagoras theorems

Answer»

ANSWER:

ACCORDING to PYTHAGORAS theorem the square of its HYPOTENUSE is equal to the sum of its BASE and height

Discussion

14.	What is the value of y in the given figure?
Answer» CHECK it out above for STEP by step EXPLANATION.

14.

What is the value of y in the given figure?

Answer»

CHECK it out above for STEP by step EXPLANATION.

Discussion

15.	State a true conclusion. 1) If the mill is on strike, then no one works. 2) The mill is on strike. Conclusion:
Answer» ANSWER: no ONE works hope this helps you please MARK me as the brainliest

15.

State a true conclusion. 1) If the mill is on strike, then no one works. 2) The mill is on strike. Conclusion:

Answer»

ANSWER:

no ONE works

hope this helps you

please MARK me as the brainliest

Discussion

16.	If the weight of 12 similar bags is equal to 20 quintal then the weight of one bag is :-
Answer» The weight of one BAG is 167 kg. Step-by-step explanation: Given : If the weight of 12 similar bags is equal to 20 quintal. To find : The weight of one bag? Solution : We know that, 1 quintal = 100 kg 20 quintal = 2000 kg The weight of 12 bags = 20 quintal i.e. The weight of 12 bags = 2000 kg Applying unitary method, The weight of 1 bags = $\frac{2000}{12}$ kg The weight of 1 bags = 166.66 kg Approximately, the weight of one bag is 167 kg. #Learn more A. Transport company CHARGES ₹5400 To Carry 80 quintal of weight what will it charge to 126 quintal of Weight Same distance? brainly.in/question/6439401

16.

If the weight of 12 similar bags is equal to 20 quintal then the weight of one bag is :-

Answer»

The weight of one BAG is 167 kg.

Step-by-step explanation:

Given : If the weight of 12 similar bags is equal to 20 quintal.

To find : The weight of one bag?

Solution :

We know that,

1 quintal = 100 kg

20 quintal = 2000 kg

The weight of 12 bags = 20 quintal

i.e. The weight of 12 bags = 2000 kg

Applying unitary method,

The weight of 1 bags = $\frac{2000}{12}$ kg

The weight of 1 bags = 166.66 kg

Approximately, the weight of one bag is 167 kg.

#Learn more

A. Transport company CHARGES ₹5400 To Carry 80 quintal of weight what will it charge to 126 quintal of Weight Same distance?

brainly.in/question/6439401

Discussion

17.	Four points A,B,C,D lie on a same line I.What are these points called
Answer» Step-by-step explanation: collinear POINT is the ANSWER please MARK me as brainlist answer

17.

Four points A,B,C,D lie on a same line I.What are these points called

Answer»

Step-by-step explanation:

collinear POINT is the ANSWER

please MARK me as brainlist answer

Discussion

18.	×_3/5=7/5 solve the equation without changing out of the equal to
Answer» ANSWER: x-3/5=7/5 then x=7/5+3/5 x=10/5 x=2

18.

×_3/5=7/5 solve the equation without changing out of the equal to

Answer»

ANSWER:

x-3/5=7/5

then x=7/5+3/5

x=10/5

x=2

Discussion

19.	Find the value of X if line 1 is parallel to line 2
Answer» Answer: PLEASE REFER TO PIC BELOW 1 ll 2 x=∠1 (CORRESPONDING angles) in ΔABC, ∠A +∠B+∠C=180 (ANGLE SUM PROPERTY) 30+45+∠C=180 ∠C=180-75=105 ∠1+∠C=180 (LINEAR PAIR) ∠1=180-105=75 ∠1=x=75 :)

19.

Find the value of X if line 1 is parallel to line 2

Answer»

Answer:

PLEASE REFER TO PIC BELOW

1 ll 2

x=∠1 (CORRESPONDING angles)

in ΔABC, ∠A +∠B+∠C=180 (ANGLE SUM PROPERTY)

30+45+∠C=180

∠C=180-75=105

∠1+∠C=180 (LINEAR PAIR)

∠1=180-105=75

∠1=x=75

:)

Discussion

20.	Question 10please slove it
Answer» Answer:angle DCB=120°,angle CAB=50°, angleDAC=79° Step-by-step explanation: GIVEN that ABCD is a parallelogram we know that in a parallelogram opposite angles are equal. angle ADC =angle ABC=60° In ∆ABC angle ABC+ angle BAC +angle ACB=180°(Since sum of the angles of a traingle =180°) 60°+angle BAC+70°=180° 130°+angle BAC=180° angle BAC=180°-130° angle BAC=50° In a parallelogram opposite sides are parallel so AD\|\|CB angle ACB= angle DAC=70° (since interior alternate angles are equal) SIMILARLY AB\|\|DC angle DCA= angle BAC=50° angle DCB=Angle DCA +angle ACB angle DCB=50°+70° angle DCB=120°

20.

Question 10please slove it

Answer»

Answer:angle DCB=120°,angle CAB=50°, angleDAC=79°

Step-by-step explanation:

GIVEN that ABCD is a parallelogram

we know that in a parallelogram opposite angles are equal.

angle ADC =angle ABC=60°

In ∆ABC

angle ABC+ angle BAC +angle ACB=180°(Since sum of the angles of a traingle =180°)

60°+angle BAC+70°=180°

130°+angle BAC=180°

angle BAC=180°-130°

angle BAC=50°

In a parallelogram opposite sides are parallel

so AD||CB

angle ACB= angle DAC=70° (since interior alternate angles are equal)

SIMILARLY AB||DC

angle DCA= angle BAC=50°

angle DCB=Angle DCA +angle ACB

angle DCB=50°+70°

angle DCB=120°

Discussion

21.	The ratio of the ages of a father and a son at present is 5:2. Four years hence the ratio of the ages of the son andhis mother will be 1: 2. What is the ratio of the present ages of the father and the mother?(a) 3:45:4 (c) 4:3 (d) Cannot be determined (e) None of these
Answer» FATHER is 25 and son 10 Step-by-step EXPLANATION: 5 by 2 5X5 =25 5×2=10

21.

The ratio of the ages of a father and a son at present is 5:2. Four years hence the ratio of the ages of the son andhis mother will be 1: 2. What is the ratio of the present ages of the father and the mother?(a) 3:45:4 (c) 4:3 (d) Cannot be determined (e) None of these

Answer»

FATHER is 25 and son 10

Step-by-step EXPLANATION:

5 by 2 5X5 =25 5×2=10

Discussion

22.	Add 5xy+3y2+2z2,2xy+7y2+5z2 and 3y2-7xy-2z2
Answer» Answer: 5xy+3y square+4z+2xy+7y square +5z square +3y square - 7XY- 2z square 0+13Y square 4z + 3z square 13y square +4x + 3X square Answers I hope you can UNDERSTAND. plz LIKE me Ok Thanks for your questions

22.

Add 5xy+3y2+2z2,2xy+7y2+5z2 and 3y2-7xy-2z2

Answer»

Answer:

5xy+3y square+4z+2xy+7y square +5z square +3y square - 7XY- 2z square

0+13Y square 4z + 3z square

13y square +4x + 3X square Answers

I hope you can UNDERSTAND.

plz LIKE me Ok

Thanks for your questions

Discussion

23.	Divide the polynomial 3x2+x-1 by (x+1)
Answer» Step-by-step explanation: 3×2+x-1=6+x-1=6-1+x=5+x x+5÷x+1 =>x+5/x+1

23.

Divide the polynomial 3x2+x-1 by (x+1)

Answer»

Step-by-step explanation:

3×2+x-1=6+x-1=6-1+x=5+x

x+5÷x+1

=>x+5/x+1

Discussion

24.	On Monday the value of a company shares was rs7.50 the price is increased by 6% on Tuesday, decreased by 1.5% on Wednesday and decreased by 2% on Thursday find the value of each share when trade opened on Friday
Answer» Step-by-step EXPLANATION: eburbruebhrbrhrhhrhru hrurhhrurhhduur dbrjbrhrb dbrjbrhrb dnhfnjdjiduriirodi

24.

On Monday the value of a company shares was rs7.50 the price is increased by 6% on Tuesday, decreased by 1.5% on Wednesday and decreased by 2% on Thursday find the value of each share when trade opened on Friday

Answer»

Step-by-step EXPLANATION:

eburbruebhrbrhrhhrhru hrurhhrurhhduur dbrjbrhrb dbrjbrhrb dnhfnjdjiduriirodi

Discussion

25.	Sum of two number is 69 if the greater number is 7 more than the smaller find the number.
Answer» ANSWER: sum of TWO numbers is 69 first no be x second no be x +7 x+ x+7 =69 2x=69-7 2x=62 x=62/2 x=31 the first no is 31 and second no is 31+7 =38

25.

Sum of two number is 69 if the greater number is 7 more than the smaller find the number.

Answer»

ANSWER:

sum of TWO numbers is 69

first no be x

second no be x +7

x+ x+7 =69

2x=69-7

2x=62

x=62/2

x=31

the first no is 31

and second no is 31+7

=38

Discussion

26.	If anyone is answer i willl make brainlist
Answer» Answer: 60 6 3 common factor 7 1 2,3 1 2 9 4 1 and number itself H........ PLEASE MARK it as BRAINLIEST answer

26.

If anyone is answer i willl make brainlist

Answer»

Answer:

60
6
3
common factor
7
1
2,3
1
2
9
4
1 and number itself

H........

PLEASE MARK it as BRAINLIEST answer

Discussion

27.	If 5 days ration is for 60 men.how many days it last if 40 more men are added?
Answer» ANSWER: it will LAST only for 3 DAYS

27.

If 5 days ration is for 60 men.how many days it last if 40 more men are added?

Answer»

ANSWER:

it will LAST only for 3 DAYS

Discussion

28.	(1/3x^-9)(1/3x^-9) please solve this
Answer» Answer: 1/9x^-18 Step-by-step explanation: 1/3x^-9 × 1/3x^-9 1/9x^-18

28.

(1/3x^-9)(1/3x^-9) please solve this

Answer»

Answer:

1/9x^-18

Step-by-step explanation:

1/3x^-9 × 1/3x^-9

1/9x^-18

Discussion

29.	A is twice good workman as B and together they finish a work in 14 days.the number of days taken by A alone to finish this work?
Answer» ANSWER: yeah Step-by-step EXPLANATION: number of people=2 WORKING days of 2 people=14 (second expression..) number of people=1 working days =X we KNOW that number of 1 people/number of 2 people=x/14 1/2=x/14 2x=14 x=14/2 x=7(ans) working day of A=7..,,,

29.

A is twice good workman as B and together they finish a work in 14 days.the number of days taken by A alone to finish this work?

Answer»

ANSWER:

yeah

Step-by-step EXPLANATION:

number of people=2

WORKING days of 2 people=14

(second expression..)

number of people=1

working days =X

we KNOW that

number of 1 people/number of 2 people=x/14

1/2=x/14

2x=14

x=14/2

x=7(ans)

working day of A=7..,,,

Discussion

30.	find the smallest number by which 1058 must be multiplied so that the product becomes a perfect square. Also, find the square root of the perfect square
Answer» Given: The NUMBER 1058 To find: the smallest number by which 1058 must be multiplied so that the product BECOMES a perfect square. Solution: Now we have given the number 1058. By prime factorisation, the factors are: 2 \| 1058 23 \| 529 23 \| 23 \| 1 1058 = 23 x 23 x 2 So the smallest number that should be multiplied is 2 so as to make perfect square. 1058 x 2 = 2116 And the square root of 2116 is 23 x 2 = 46. Answer: So the smallest number by which 1058 must be multiplied so that the product becomes a perfect square is 2, and the square root is 46.

30.

find the smallest number by which 1058 must be multiplied so that the product becomes a perfect square. Also, find the square root of the perfect square

Answer»

Given: The NUMBER 1058

To find: the smallest number by which 1058 must be multiplied so that the product BECOMES a perfect square.

Solution:

Now we have given the number 1058.

By prime factorisation, the factors are:

2 | 1058

23 | 529

23 | 23

| 1

1058 = 23 x 23 x 2

So the smallest number that should be multiplied is 2 so as to make perfect square.

1058 x 2 = 2116

And the square root of 2116 is 23 x 2 = 46.

Answer:

So the smallest number by which 1058 must be multiplied so that the product becomes a perfect square is 2, and the square root is 46.

Discussion

31.	Evaluate the following expression. (c) 30+70÷35*5-10
Answer» Step-by-step explanation: 30+70÷35×5-10 30+2×5-10 30+10-10 40-10 30

31.

Evaluate the following expression. (c) 30+70÷35*5-10

Answer»

Step-by-step explanation:

30+70÷35×5-10

30+2×5-10

30+10-10

40-10

30

Discussion

32.	What per cent of 170 is 8.5?
Answer» ANSWER: Step-by-step explanation: 5%

32.

What per cent of 170 is 8.5?

Answer»

ANSWER:

Step-by-step explanation:

5%

Discussion

33.	The average of 168 176 172 174 and 170 is
Answer» Answer: 168+176+172+174+170=860 860÷5 bcoz NUMBER of TERMS is 5 ANS is 172

33.

The average of 168 176 172 174 and 170 is

Answer»

Answer:

168+176+172+174+170=860

860÷5

bcoz NUMBER of TERMS is 5

ANS is 172

Discussion

34.	Using figure find the value of x.
Answer» 3x +4X + 5X =180 12x =180 X =180/12 =15

34.

Using figure find the value of x.

Answer»

3x +4X + 5X =180

12x =180 X =180/12 =15

Discussion

35.	WHAT IS INTEGER ??? I know but, I am asking for you're own words answer.
Answer» Answer: the common SET of negative and POSITIVE numbers are CALLED INTEGERS

35.

WHAT IS INTEGER ??? I know but, I am asking for you're own words answer.

Answer»

Answer:

the common SET of negative and POSITIVE numbers are CALLED INTEGERS

Discussion

36.	what is the largest 6-digit number that can be made using the digits 0,4,1,3,5 and if each digit is used exactly once?
Answer» No 6 DIGIT NUMBER can be made. If REPETITION is ALLOWED, then LARGEST possible number would be 554310 5 digit number that can be made is 54310

36.

what is the largest 6-digit number that can be made using the digits 0,4,1,3,5 and if each digit is used exactly once?

Answer»

No 6 DIGIT NUMBER can be made.

If REPETITION is ALLOWED, then LARGEST possible number would be

554310

5 digit number that can be made is 54310

Discussion

37.	What should be added to -3/5 + -5/3 to get 1
Answer» Answer: 34\15 MUST be ADDED hope this helps you please MARK me as the BRAINLIEST

37.

What should be added to -3/5 + -5/3 to get 1

Answer»

Answer:

34\15 MUST be ADDED hope this helps you

please MARK me as the BRAINLIEST

Discussion

38.	Formula for area of rhombus
Answer» ANSWER: Step-by-step explanation: 1/2 ×d1×d2

38.

Formula for area of rhombus

Answer»

ANSWER:

Step-by-step explanation:

1/2 ×d1×d2

Discussion

39.	Evaluate the following expressions. (c) 30+70÷35*5-10
Answer» Answer: 30 Step-by-step explanation: By USING BODMAS 30 + 70 /355-10 30 + 25 - 10 30 + 10-10 40-10 30

39.

Evaluate the following expressions. (c) 30+70÷35*5-10

Answer»

Answer:

30

Step-by-step explanation:

By USING BODMAS

30 + 70 /35*5-10

30 + 2*5 - 10

30 + 10-10

40-10

30

Discussion

40.	Sec theta cosec (90 degree-theta)sin theta cos(90 degree-theta)/cos theta sin(90degree-theta)
Answer» ANSWER: Step-by-step EXPLANATION:

40.

Sec theta cosec (90 degree-theta)sin theta cos(90 degree-theta)/cos theta sin(90degree-theta)

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

41.	How ^^^^^^^^ ∆∆∆∆∆∆
Answer» ANSWER: LHS x²-√2x- 3/2 2x²-2√2x-3 /2 1/2{2x²-2√2x-3} Step-by-step EXPLANATION:

41.

How ^^^^^^^^ ∆∆∆∆∆∆

Answer»

ANSWER:

LHS

x²-√2x- 3/2

2x²-2√2x-3 /2

1/2{2x²-2√2x-3}

Step-by-step EXPLANATION:

Discussion

42.	What are the roots of 1to10
Answer» Answer: 1×1=1 2×2=4 3×3=9 4×4=16 5×5=25 6×6=36 7×7=49 8×8=64 9×9=81 10×10=100

42.

What are the roots of 1to10

Answer»

Answer:

1×1=1

2×2=4

3×3=9

4×4=16

5×5=25

6×6=36

7×7=49

8×8=64

9×9=81

10×10=100

Discussion

43.	add2+2u get4 and ÷it by 2. just add 2+2 directly dont use the equal sign and just divide it u will get 3.how?
Answer» 2+2=4 4/2=2 2+2+2 / 2= 3

Discussion

44.	0.82.2
Answer» ANSWER: 1.76 Step-by-step EXPLANATION: This is the answer for your QUESTION MARK it as brainliest Follow me

44.

0.82.2

Answer»

ANSWER:

1.76

Step-by-step EXPLANATION:

This is the answer for your QUESTION

MARK it as brainliest

Follow me

Discussion

45.	Rahul needs to collect 2.5kg of Tomatoes, 250g of potatoes, 0.6kg of aof onions for a family dinner. What is the total weight of the vegetables he has to bonghome?a. 4.9 kgC. 4800 gb. 5000 gd. 4.6 kg
Answer» Answer: 1g = 1/1000kg 250g=250/1000kg i.e.0.250kg now,2.500 0.250 +0.600 =3.350 KG

45.

Rahul needs to collect 2.5kg of Tomatoes, 250g of potatoes, 0.6kg of aof onions for a family dinner. What is the total weight of the vegetables he has to bonghome?a. 4.9 kgC. 4800 gb. 5000 gd. 4.6 kg

Answer»

Answer:

1g = 1/1000kg

250g=250/1000kg

i.e.0.250kg

now,2.500

0.250

+0.600

=3.350 KG

Discussion

46.	Find length of BC in the given figure
Answer» ANSWER: HOPE this will HELP u Mark as brainly Follow me for further HELP

46.

Find length of BC in the given figure

Answer»

ANSWER:

HOPE this will HELP u

Mark as brainly

Follow me for further HELP

Discussion

47.	Factorise the following using appropriate identities
Answer» Which QUESTION are you TALKING about?

Discussion

48.	Find the cube root using prime factorisation 175616
Answer» ANSWER: The cube ROOT of 175616 is 2power3 MULTIPLY 2 power 3 multiply 2 power 3 multiply 7 power 3

48.

Find the cube root using prime factorisation 175616

Answer»

ANSWER:

The cube ROOT of 175616 is 2power3

MULTIPLY 2 power 3 multiply 2 power 3 multiply 7 power 3

Discussion

49.	the ratio of two adjacent sides of a parallelogram is 3:1 and its perimeter is 72cm.what is the length of the adjacent sides?
Answer» *let* *one* *SIDE* of *parallelogram* = x. another *side* of *parallelogram* = 3x *given* *perimeter* = *72cm* *opposite* *SIDES* of *parallelogram* *are* *equal.. solve. . x+3x+x+3x = 72 8x =72 x = 72/8 x = 9 other* *side* = 3 * 9 = 27 so *the* *sides* *are* 9cm , *27cm* *hence* *SOLVED*..

49.

the ratio of two adjacent sides of a parallelogram is 3:1 and its perimeter is 72cm.what is the length of the adjacent sides?

Answer»

let one SIDE of parallelogram = x.

another side of parallelogram = 3x

given perimeter = 72cm

opposite SIDES of parallelogram are equal..

solve. .

x+3x+x+3x = 72

8x =72

x = 72/8

x = 9

other side = 3 * 9 = 27

so the sides are 9cm , 27cm

hence SOLVED..

Discussion

50.	find the rectangular form of two values of rootfind the rectangular form of 2 values of the complex number root -8 + 6 I
Answer» ANSWER: -8+16=16-8=8 in ROOT 8=68

50.

find the rectangular form of two values of rootfind the rectangular form of 2 values of the complex number root -8 + 6 I

Answer»

ANSWER:

-8+16=16-8=8

in ROOT 8=68

Discussion

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