332354 + Interview Questions in Secondary School in Math

1.	Coscub x-sincube x/cosx-sinx equals tocos x -sin x(a) 1-sin x cos x(c) 1+2 sin x cos x(b) 1+sinx coax (d). sin^x+ cos^x
Answer» ANSWER: hjfhfhcfndjbdjddjdbdh

1.

Coscub x-sincube x/cosx-sinx equals tocos x -sin x(a) 1-sin x cos x(c) 1+2 sin x cos x(b) 1+sinx coax (d). sin^x+ cos^x

Answer»

ANSWER:

hjfhfhcfndjbdjddjdbdh

Discussion

2.	Write any five points from the given information recording pollutants entering in the ocean
Answer» Answer: 1) Industry. 2) bathing in the water. 3) MAKING illogical myths as water ERASES sins. 4) pollution. 5) It US WRITTEN as 50 students. Hope it helps. Mark me as Brainliest. Much love. Thank you.

2.

Write any five points from the given information recording pollutants entering in the ocean

Answer»

Answer:

1) Industry.

2) bathing in the water.

3) MAKING illogical myths as water ERASES sins.

4) pollution.

5) It US WRITTEN as 50 students.

Hope it helps.

Mark me as Brainliest.

Much love.

Thank you.

Discussion

3.	How they got the last step??:.
Answer» ANSWER: Step-by-step EXPLANATION: Your PHOTO is not clear.click FULL photo

3.

How they got the last step??:.

Answer»

ANSWER:

Step-by-step EXPLANATION:

Your PHOTO is not clear.click FULL photo

Discussion

4.	Find the mean of 25,30,27,23,25
Answer» MEAN of this OBSERVATION = 25+30+27+23+25/5 Mean = 26 I *HOPE* *it HELPS you*!!

4.

Find the mean of 25,30,27,23,25

Answer»

MEAN of this OBSERVATION = 25+30+27+23+25/5

Mean = 26

I HOPE it HELPS you!!

Discussion

5.	Find the least 6 digit number that exactly divisible by 83
Answer» ANSWER: HELLO MATE here's your AnsWer for your 1,205 100015

5.

Find the least 6 digit number that exactly divisible by 83

Answer»

ANSWER:

HELLO MATE here's your AnsWer for your

1,205

100015

Discussion

6.	B)If A:B = 8:9 and B: C is 15:13, what is A:C?
Answer» Step-by-step EXPLANATION: HOPE this will HELP you

6.

B)If A:B = 8:9 and B: C is 15:13, what is A:C?

Answer»

Step-by-step EXPLANATION:

HOPE this will HELP you

Discussion

7.	Sum of three integers in ascending order when multiplied by 2,3and4 respectively Is 119 find the number
Answer» Step-by-step explanation: let the NUMBERS be, x, x+1, x+2. as PER question, (x2)+(x+1)3 +(x+2)4 =119 (2x)+(3x+3)+(4x+8)=119 (2x+3x+4x)+(8+3)=119 9x+11=119 9x=119-11 9x=108 x=12 so, the numbers are 12,13,14. I hop* it may satisfy you.

7.

Sum of three integers in ascending order when multiplied by 2,3and4 respectively Is 119 find the number

Answer»

Step-by-step explanation:

let the NUMBERS be, x, x+1, x+2.

as PER question,

(x*2)+(x+1)3 +(x+2)4 =119

(2x)+(3x+3)+(4x+8)=119

(2x+3x+4x)+(8+3)=119

9x+11=119

9x=119-11

9x=108

x=12

so, the numbers are 12,13,14.

I hop it may satisfy you.

Discussion

8.	The function f(x)=1/x2 is continuous on ?
Answer» Step-by-step EXPLANATION: this FUNCTION CONTINUE on R-{0}

8.

The function f(x)=1/x2 is continuous on ?

Answer»

Step-by-step EXPLANATION:

this FUNCTION CONTINUE on R-{0}

Discussion

9.	babita about 160 kg megazord rupees 48 per kg she sold 70 percent of mangoes 875 kg and the remaining mango its 40 per kg find the beatles game on lost percent in the old darlingIske andar Apne Jab HP 12 KG mango 112 se 70 se multiply Kyon Kara
Answer» ANSWER: I don't KNOW the answer

9.

babita about 160 kg megazord rupees 48 per kg she sold 70 percent of mangoes 875 kg and the remaining mango its 40 per kg find the beatles game on lost percent in the old darlingIske andar Apne Jab HP 12 KG mango 112 se 70 se multiply Kyon Kara

Answer»

ANSWER:

I don't KNOW the answer

Discussion

10.	There are nine slots, where an interview can be scheduled. Nine candidates are to be interviewed and one slot con be assigned to one candidate. Ramon. Noman and Amon are three of the candidates. in how many ways on interview schedule for all the candidates can be made, such that Naman is interviewed before Roman and Raman is interviewed before Amon
Answer» The number of ways = 5040 Step-by-step explanation: Total number of candidates = 9 The orders of NAMAN, RAMAN and Amon are fixed Therefore, Naman, Raman and Amon can be arranged only in 1 way Rest candidates = 6 If we TAKE Naman, Raman and Amon as one entity, total entities to be arranged = 7 Total arrangements = 7! = 5040 Hope this answer is helpful. *Know More:* *Q: Out of 9 PEOPLE waiting for their turns for an interview, in how many ways can a selection for 4 be made if 1 particular person is always selected?* *Click Here:* brainly.in/question/7320948

10.

There are nine slots, where an interview can be scheduled. Nine candidates are to be interviewed and one slot con be assigned to one candidate. Ramon. Noman and Amon are three of the candidates. in how many ways on interview schedule for all the candidates can be made, such that Naman is interviewed before Roman and Raman is interviewed before Amon

Answer»

The number of ways = 5040

Step-by-step explanation:

Total number of candidates = 9

The orders of NAMAN, RAMAN and Amon are fixed

Therefore, Naman, Raman and Amon can be arranged only in 1 way

Rest candidates = 6

If we TAKE Naman, Raman and Amon as one entity, total entities to be arranged = 7

Total arrangements = 7! = 5040

Hope this answer is helpful.

Know More:

Q: Out of 9 PEOPLE waiting for their turns for an interview, in how many ways can a selection for 4 be made if 1 particular person is always selected?

Click Here: brainly.in/question/7320948

Discussion

11.	(b) Find the amount of the followingintrastate transaction.MRP (in for each item) 200 125 180Number of items27 20 25GST %12 12 18
Answer» ANSWERS are Rs.6048 Rs.2800 Rs.5310 for UR THREE ITEMS RESPECTIVELY

11.

(b) Find the amount of the followingintrastate transaction.MRP (in for each item) 200 125 180Number of items27 20 25GST %12 12 18

Answer»

ANSWERS are Rs.6048

Rs.2800

Rs.5310

for UR THREE ITEMS RESPECTIVELY

Discussion

12.	Please can someone solve this quickly? I am preparing for my 10th board exam so please help.(cosA - sinA)(1 + tanA) / 2cos²A - 1 = secA
Answer» Step-by-step EXPLANATION: L.H.S=(cosA - sinA)(1 + TANA) / 2cos²A - 1 =(cosA- sinA)(1+sinA/cosA)/2Cos^2A-1 [because tanA=sinA/Cos A] cosA(1+SinA/cosA)-sinA(1+sinA/cosA)/2Cos^2A-1 MULTIPLYING inside the brackets, cosA+SinA-sinA-sin^2A/cosA/2Cos^2A-1 =cosA-sin^2A/cosA/2Cos^2A-1 =cos^2A-sin^2A/cosA/2Cos^2A-1 =cos^2A-(1-Cos^2A)/cosA/2cos^2A-1 [because sin^2A+cos^2A=1 so sin^2A=1-Cos^2A =cos^2A-1+Cos^2A/cosA/2Cos^2A-1 =2Cos^2A-1/cosA(2Cos^2A-1) 2Cos^2A GETS cancelled =1/CosA=SecA=R.H.S i am not sure you understand.....u could write down and try it like this. I HOPE u undrstand and plss markbrainliest if usefull.

12.

Please can someone solve this quickly? I am preparing for my 10th board exam so please help.(cosA - sinA)(1 + tanA) / 2cos²A - 1 = secA

Answer»

Step-by-step EXPLANATION:

L.H.S=(cosA - sinA)(1 + TANA) / 2cos²A - 1

=(cosA- sinA)(1+sinA/cosA)/2Cos^2A-1

[because tanA=sinA/Cos A]

cosA(1+SinA/cosA)-sinA(1+sinA/cosA)/2Cos^2A-1

MULTIPLYING inside the brackets,

cosA+SinA-sinA-sin^2A/cosA/2Cos^2A-1

=cosA-sin^2A/cosA/2Cos^2A-1

=cos^2A-sin^2A/cosA/2Cos^2A-1

=cos^2A-(1-Cos^2A)/cosA/2cos^2A-1

[because sin^2A+cos^2A=1 so sin^2A=1-Cos^2A

=cos^2A-1+Cos^2A/cosA/2Cos^2A-1

=2Cos^2A-1/cosA(2Cos^2A-1)

2Cos^2A GETS cancelled

=1/CosA=SecA=R.H.S

i am not sure you understand.....u could write down and try it like this.

I HOPE u undrstand and plss markbrainliest if usefull.

Discussion

13.	Solution of if there are 18 blocks to jump. jhonny took 2 jumps at a time and vicky took 3 jumps at a time.if they started together at what block they will meet
Answer» Step-by-step explanation: consider by taking multiples of 2 & 3 meet each other at same numbers that is. 2×3=6 &3×2=6 2×6=12 &3×4=12 2×9=18 & 3× 6= 18 therefore they meet in 6th, 12th& 18TH blocks

13.

Solution of if there are 18 blocks to jump. jhonny took 2 jumps at a time and vicky took 3 jumps at a time.if they started together at what block they will meet

Answer»

Step-by-step explanation:

consider by taking multiples of 2 & 3

meet each other at same numbers

that is. 2×3=6 &3×2=6

2×6=12 &3×4=12

2×9=18 & 3× 6= 18

therefore they meet in 6th, 12th& 18TH blocks

Discussion

14.	(xpower3-27)divide(x-3)
Answer» ANSWER: the answer is $x ^{2} + 3x + 9$

14.

(xpower3-27)divide(x-3)

Answer»

ANSWER:

the answer is

$x ^{2} + 3x + 9$

Discussion

15.	Show that\| -2a a+b c+a \|\| a+b -2b b+c\| =4(a+b)(b+c)(c+a)\| c+a C+b -2c\| {* It is det of the matrix }
Answer» ANSWER: det Step-by-step EXPLANATION: det+0+0+0+0+0+0+0+0+0+0+0+0+0

15.

Show that| -2a a+b c+a || a+b -2b b+c| =4(a+b)(b+c)(c+a)| c+a C+b -2c| {* It is det of the matrix }

Answer»

ANSWER:

det

Step-by-step EXPLANATION:

det+0+0+0+0+0+0+0+0+0+0+0+0+0

Discussion

16.	Anjali started conducting weekly tests on Friday evening. The marks in this test was used as a metric to judge student's grasp over concepts discussed in this week. To discourage students from making wild guesses, she awarded +4 for correct responses and -1 for incorrect responses. No marks were awarded or deducted for unattempted questions.The top scorer of last weekly test was Afzal. Afzal scored 300 marks. If he attempted all the 200 questions, then can you tell us how many questions were answered correctly by him.
Answer» He attended 200 questions in which 75 questions were correct.we can find this out by DIVIDING TOTAL marks by marks for ONE correct question

Discussion

17.	a line passing through the point 1, 2 where it intercept by 6 Axis at point P then find the equation of the line
Answer» Answer: x/6+y/3 =0 Step-by-step EXPLANATION: SINCE the INTERCEPT FORM is x/a + y/b = 1

17.

a line passing through the point 1, 2 where it intercept by 6 Axis at point P then find the equation of the line

Answer»

Answer:

x/6+y/3 =0

Step-by-step EXPLANATION:

SINCE the INTERCEPT FORM is x/a + y/b = 1

Discussion

18.	The value of x^3 + x^2 - x = 10. If A x = 1 B x = 2 C x = 3 D x = 4
Answer» ANSWER: x=2 Step-by-step EXPLANATION: if x=1 1^3+1^3-1 =10 1+1-1 is not = to 10 this OPTION is wrong x=2 2^3+2^2-2 =10 8+4-2 =10 10=10 then this option is CORRECT

18.

The value of x^3 + x^2 - x = 10. If A x = 1 B x = 2 C x = 3 D x = 4

Answer»

ANSWER:

x=2

Step-by-step EXPLANATION:

if x=1

1^3+1^3-1 =10

1+1-1 is not = to 10

this OPTION is wrong

x=2

2^3+2^2-2 =10

8+4-2 =10

10=10

then this option is CORRECT

Discussion

19.	The simple interest on ₹5000 for 3 years at the rate of 3% per annum is(a) ₹450(b) ₹455(c) ₹480(d) ₹485
Answer» ANSWER: a) 450 I THINK it is TRUE

19.

The simple interest on ₹5000 for 3 years at the rate of 3% per annum is(a) ₹450(b) ₹455(c) ₹480(d) ₹485

Answer»

ANSWER:

a) 450 I THINK it is TRUE

Discussion

20.	Please solve it It's a humble request
Answer» Step-by-step EXPLANATION: b²-4a>=0 (p+Q)²-4pq>=0 p²+2pq+q²-4pq≥=0 p²+q²-2pq>=0 (p-q)²>=0 p-q>=✓0 p-q>=0 p>=q

20.

Please solve it It's a humble request

Answer»

Step-by-step EXPLANATION:

b²-4a>=0

(p+Q)²-4pq>=0

p²+2pq+q²-4pq≥=0

p²+q²-2pq>=0

(p-q)²>=0

p-q>=✓0

p-q>=0

p>=q

Discussion

21.	Give mi 85 table in english plz
Answer» Answer: TRY it on your CALCULATOR BRO... Step-by-step EXPLANATION: I HOPE you will try it....

21.

Give mi 85 table in english plz

Answer»

Answer:

TRY it on your CALCULATOR BRO...

Step-by-step EXPLANATION:

I HOPE you will try it....

Discussion

22.	❤️prove : 2(SIN^6 + COS^6) - 3 (SIN^4 + COS^4) + 1 = 0,❤️❤️please don't spam ❤️❤️thanks ❤️
Answer» CHECK the ATTACHMENT.

Discussion

23.	Do you have some set of questions that usually come in cbse board exams
Answer» Answer: Yup bro i have. Step-by-step EXPLANATION: PLZ MARK it as brainliest. And do follow me...✌✌✌

23.

Do you have some set of questions that usually come in cbse board exams

Answer»

Answer:

Yup bro i have.

Step-by-step EXPLANATION:

PLZ MARK it as brainliest. And do follow me...✌✌✌

Discussion

24.	Kindly help me with this.
Answer» Here you go. Hope it HELPS.

24.

Kindly help me with this.

Answer»

Here you go.

Hope it HELPS.

Discussion

25.	Practice Set 15.51.Find the areas of given plots. (All measures are in metres.)(1)(2)24SO30CB30 430 B 3030C16D
Answer» ANSWER: REF pg no 18.4 9f RD sharma

25.

Practice Set 15.51.Find the areas of given plots. (All measures are in metres.)(1)(2)24SO30CB30 430 B 3030C16D

Answer»

ANSWER:

REF pg no 18.4 9f RD sharma

Discussion

26.	By selling an article for Rs 240 a man makes aporosit of 20% what is his Cp what woulthis prosit percent be if he sold the article for rs275
Answer» PLS MARK as the BEST ANSWER

Discussion

27.	Please solve it it's a humble request i know that writing is poor.
Answer» a × x × x+ B × x +C x(a+x+b+c) x(axbc) plz follow me MARK me as BRAINLIEST

27.

Please solve it it's a humble request i know that writing is poor.

Answer»

a × x × x+ B × x +C

x(a+x+b+c)

x(axbc)

plz follow me

MARK me as BRAINLIEST

Discussion

28.	1 7 63 3 ?5 4 835 74 104 Find the missing no. and give an appropriate reason pls.
Answer» Answer: 5 Step-by-step explanation: 5+3+1= 9 ,95= 45-10= 35 7+3+4= 14 ,146= 84-10= 74 8+6+5= 19,19*6 = 114-10=104

28.

1 7 63 3 ?5 4 835 74 104 Find the missing no. and give an appropriate reason pls.

Answer»

Answer:

5

Step-by-step explanation:

5+3+1= 9 ,9*5= 45-10= 35

7+3+4= 14 ,14*6= 84-10= 74

8+6+5= 19,19*6 = 114-10=104

Discussion

29.	If one root of x square +a x + 27 is equal to zero is a square of the other then find a
Answer» ANSWER: the roots are p and Q. so we know p+q= -a/1 and PQ= 27. by question p= q² so q³= 27 so q = 3 p=3²=9

29.

If one root of x square +a x + 27 is equal to zero is a square of the other then find a

Answer»

ANSWER:

the roots are p and Q. so we know p+q= -a/1 and PQ= 27.

by question p= q² so q³= 27 so q = 3 p=3²=9

Discussion

30.	tha 3rd term of an ap is 8and 9th term exceeds three times the 3rd term by 2. find the aum of 19 terms
Answer» the ANSWER is 532 you can CHECK it from above

30.

tha 3rd term of an ap is 8and 9th term exceeds three times the 3rd term by 2. find the aum of 19 terms

Answer»

the ANSWER is 532

you can CHECK it from above

Discussion

31.	Factorize the algebraic expression:12x-8+3xy-2y
Answer» ANSWER: (3x-2)(4+y) is the answer of 12x-8+3xy-2y

31.

Factorize the algebraic expression:12x-8+3xy-2y

Answer»

ANSWER:

(3x-2)(4+y) is the answer of 12x-8+3xy-2y

Discussion

32.	A retailer sells an article for 3696after making a profit of 10% andpaying GST at the rate of 12%. Findthe cost price of the article for theretailer[3]
Answer» ANSWER: answer race 2% AMOUNT is 4562 Step-by-step explanation: 3696 / 10% answer will be 45 61

32.

A retailer sells an article for 3696after making a profit of 10% andpaying GST at the rate of 12%. Findthe cost price of the article for theretailer[3]

Answer»

ANSWER:

answer race 2% AMOUNT is 4562

Step-by-step explanation:

3696 / 10% answer will be 45 61

Discussion

33.	If 2^x=3^x then 5^x=?
Answer» ANSWER: it can be 4X or 6X......... HOPE it HELPS

33.

If 2^x=3^x then 5^x=?

Answer»

ANSWER:

it can be 4X or 6X.........

HOPE it HELPS

Discussion

34.	A set of snooker balls consists of 15 red balls and one each of black, blue, brown, green, pink, yellow and white. If a ball is chosen at random what is the probability of choosing a red ball
Answer» 15 / 22 because TOTAL BALLS is 22

Discussion

35.	Limit questions plz answers
Answer» ANSWER: Ohhhhh Step-by-step EXPLANATION: It's very hard I am not SOLVED it

35.

Limit questions plz answers

Answer»

ANSWER:

Ohhhhh

Step-by-step EXPLANATION:

It's very hard

I am not SOLVED it

Discussion

36.	If 16 pens cost rs192, how much would 28 pens cost?
Answer» ANSWER: the cost of 16 pens =rs192 the cost of ONE pen=192/16 =rs12 the cost of 28 pens=28*12 =rs336

36.

If 16 pens cost rs192, how much would 28 pens cost?

Answer»

ANSWER:

the cost of 16 pens =rs192

the cost of ONE pen=192/16

=rs12

the cost of 28 pens=28*12

=rs336

Discussion

37.	Maths?(1) find the mean of first ten old natural number.
Answer» Answer: 10 Step-by-step EXPLANATION: SUM of OBSERVATION/ NIMBER of observation = 1+3+5+7+9+11+13+15+17+19/10 = 10

37.

Maths?(1) find the mean of first ten old natural number.

Answer»

Answer:

10

Step-by-step EXPLANATION:

SUM of OBSERVATION/ NIMBER of observation

= 1+3+5+7+9+11+13+15+17+19/10

= 10

Discussion

38.	Will make brainliest if answered correctly
Answer»

Discussion

39.	How to solve this???
Answer»

Discussion

40.	Find the equation of an ellipse whose foci are (-3,5) and (5,5) and major axis is 10
Answer» the equation of an ellipse WHOSE FOCI are (-3,5) and (5,5) and major AXIS is 10 is $\dfrac{(x-1)^2}{25} + \dfrac{(y-5)^2}{9}$ Given, 2a = 10 ⇒ ∴ a = 5 standard FORM equation of ellipse is: $\dfrac{x^2}{a^2} + \dfrac{y^2}{b^2}=1$ foci (-3,5) and (5,5) mid-point is given by, $\dfrac{-3+5}{2}, \dfrac{5+5}{2} = (1, 5)$ ∴ (1, 5) is the mid-point. Now, x = X+1, y = Y+5 ⇒ x = ae + 1, y = 0+5 ⇒ (ae+1, 5) ae+1 = 5 ae = 4 E = 4/a = 4/5 ∴ e = 4/5 e^2 = 1 - b^2/a^2 4^2/5^2 = 1- b^2/5^2 4^2 = 5^2-b^2 b^2 = 3^2 ∴ b =3 Therefore the equation of an ellipse is given by, $\dfrac{(x-1)^2}{25} + \dfrac{(y-5)^2}{9}$

40.

Find the equation of an ellipse whose foci are (-3,5) and (5,5) and major axis is 10

Answer»

the equation of an ellipse WHOSE FOCI are (-3,5) and (5,5) and major AXIS is 10 is $\dfrac{(x-1)^2}{25} + \dfrac{(y-5)^2}{9}$

Given,
2a = 10 ⇒ ∴ a = 5
standard FORM equation of ellipse is:
$\dfrac{x^2}{a^2} + \dfrac{y^2}{b^2}=1$
foci (-3,5) and (5,5)
mid-point is given by, $\dfrac{-3+5}{2}, \dfrac{5+5}{2} = (1, 5)$
∴ (1, 5) is the mid-point.
Now, x = X+1, y = Y+5
⇒ x = ae + 1, y = 0+5
⇒ (ae+1, 5)
ae+1 = 5
ae = 4
E = 4/a = 4/5
∴ e = 4/5
e^2 = 1 - b^2/a^2
4^2/5^2 = 1- b^2/5^2
4^2 = 5^2-b^2
b^2 = 3^2
∴ b =3
Therefore the equation of an ellipse is given by,
$\dfrac{(x-1)^2}{25} + \dfrac{(y-5)^2}{9}$

Discussion

41.	Find the ratio in which the line joining (-2, 5) and (-5, -6) is divided by the liney = -3. Hence find the point of intersection.
Answer» Buddy, MATH problem KE solution type KARNA muskil hai so do it yourself PLEASE MARK IT AS BRAINLIEST ☺☺☺

41.

Find the ratio in which the line joining (-2, 5) and (-5, -6) is divided by the liney = -3. Hence find the point of intersection.

Answer»

Buddy, MATH problem KE solution type KARNA muskil hai

so do it yourself

PLEASE MARK IT AS BRAINLIEST

☺☺☺

Discussion

42.	Solve this question 26 and don't spam
Answer» Hii hope it HELPS you But it was a LITTLE BIT CONFUSING

42.

Solve this question 26 and don't spam

Answer»

Hii

hope it HELPS you

But it was a LITTLE BIT CONFUSING

Discussion

43.	in a class of 36 students 29 do maths 20 do chemistry if 5 students do niether how many students do chemistry but not maths
Answer» Answer: Step-by-step explanation:xufcgifxguugz novice CO idek karo GARO hijo d cha s h dog d hai dark OZ K FULL MOON

43.

in a class of 36 students 29 do maths 20 do chemistry if 5 students do niether how many students do chemistry but not maths

Answer»

Answer:

Step-by-step explanation:xufcgifxguugz novice CO idek karo GARO hijo d cha s h dog d hai dark OZ K FULL MOON

Discussion

44.	Answer plz.........
Answer» Answer: 625 Step-by-step explanation: I=PTR/100 =1562522/100 =15625*4/100 =62500/100 =625 IT IS RIGHT PLS RATE 5 STARS AND MARK AS BRAINLIEST

44.

Answer plz.........

Answer»

Answer:

625

Step-by-step explanation:

I=PTR/100

=15625*2*2/100

=15625*4/100

=62500/100

=625

IT IS RIGHT PLS RATE 5 STARS AND MARK AS BRAINLIEST

Discussion

45.	if speed of an aeroplane is decreased by 120km/hr, it takes 18 min more to travel some distance. If the speed is increased bye 180km/hr it takes 18 min less to travel same distance . find the average speed of aeroplane and distance.
Answer» Step-by-step EXPLANATION: HOPE you UNDERSTAND the ANSWER...!!

45.

if speed of an aeroplane is decreased by 120km/hr, it takes 18 min more to travel some distance. If the speed is increased bye 180km/hr it takes 18 min less to travel same distance . find the average speed of aeroplane and distance.

Answer»

Step-by-step EXPLANATION:

HOPE you UNDERSTAND the ANSWER...!!

Discussion

46.	Given that A= x 4 find x3 6
Answer» A=x ,4x=36,x=36÷4,x=9

Discussion

47.	classify the following into primary and secondary data. (a) For science project information of trees gathered by visiting a forest. (b) Attendance taken by class teacher
Answer» Why you gotta be so MEAN) And all you're ever gonna be is mean (Why you gotta be so mean) Someday I'll be big ENOUGH so you can't HIT me (Why you gotta be so mean) And all you're ever gonna be is mean Why you gotta be so mean?

47.

classify the following into primary and secondary data. (a) For science project information of trees gathered by visiting a forest. (b) Attendance taken by class teacher

Answer»

Why you gotta be so MEAN)

And all you're ever gonna be is mean

(Why you gotta be so mean)

Someday I'll be big ENOUGH so you can't HIT me

(Why you gotta be so mean)

And all you're ever gonna be is mean

Why you gotta be so mean?

Discussion

48.	find csa of a ctlindeical pipe is 550. if the height of the pipe is 25cm. find the diameter of the base
Answer» ANSWER: Step-by-step EXPLANATION:

48.

find csa of a ctlindeical pipe is 550. if the height of the pipe is 25cm. find the diameter of the base

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

49.	Pls find out the missing no. and explain ur answer.A) 169B)168C)85D)706.
Answer» Answer: MISSING number is 3 because from right SIDE SIX is there we should always take half of that

49.

Pls find out the missing no. and explain ur answer.A) 169B)168C)85D)706.

Answer»

Answer:

MISSING number is 3 because from right SIDE SIX is there we should always take half of that

Discussion

50.	Rationalise 4+ root 3 upon 4- root 3 + 4- root 3 upon 4+root 3
Answer» USING $(a + b)(a - b) = {a}^{2} - {b}^{2}$ so, = $(4 + \sqrt{3})(4 - \sqrt{3)}$ = ${4}^{2} - ( \sqrt{3)^{2} }$ = 16-3 = 13

50.

Rationalise 4+ root 3 upon 4- root 3 + 4- root 3 upon 4+root 3

Answer»

USING

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

so,

= $(4 + \sqrt{3})(4 - \sqrt{3)}$

= ${4}^{2} - ( \sqrt{3)^{2} }$

= 16-3

= 13

Discussion

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find csa of a ctlindeical pipe is 550. if the height of the pipe is 25cm. find the diameter of the base

Pls find out the missing no. and explain ur answer.A) 169B)168C)85D)706.