Math, asked by RehanAhmadXLX, 1 year ago

If 3, 8, 15 and x are in proportion then find the value of x.

A.
15

B.
20

C.
40

D.
30

{CLASS 8th MATHS}

ShagunJagdev: your welcome

afjalansari572001: Ans=40

afjalansari572001: Powerful Question

vinayak41: ans is 40 very simple question

Anonymous: C answer

Harshada11: ans is 40 we can also take as all the nos be x

RehanAhmadXLX: :)

Anonymous: ok

Anonymous: rehan ek questions h

Anonymous: plz.me

Answers

Answered by rohitkumargupta

HELLO DEAR,

WHERE,

P=3
Q=8
R=15
S=x

p : q : : r : s ⇒ ps = qr

$\\ = > 3 \times x = 8 \times 15 \\ = > x = \frac{8 \times 5 \times 3}{3} \\ = > x = 40$
I HOPE ITS HELP YOU DEAR,
THANKS

sukhdeep1440p2rbs3: I am in 6th but I know how to do it

RehanAhmadXLX: I'm in 10th but the Question is of 8th.

sukhdeep1440p2rbs3: no I am in 6 but I know how to do it I don't think it is of 8

RehanAhmadXLX: It is....

RehanAhmadXLX: Btw, good

sukhdeep1440p2rbs3: I don't know ....it can

sukhdeep1440p2rbs3: thanks

Answered by siddhartharao77

Given that 3,8,15 and x are in proportion.

Then, 3:8::15:x.

We know that product of extremes = product of means

3 * x = 15 * 8

x = (15 * 8)/3

x = 120/3

x = 40.

Therefore the value of x = 40.

Hope this helps!

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If 3, 8, 15 and x are in proportion then find the value of x. A. 15 B. 20 C. 40 D. 30 {CLASS 8th MATHS}

Answers

If 3, 8, 15 and x are in proportion then find the value of x.

A.
15

B.
20

C.
40

D.
30

{CLASS 8th MATHS}