Question

3,5,9 and ( ) are in proportion
A) 6
B) 15
C) 10
D) 20
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Answer 1

Hii Mate here is your answer,

3:5 :: 9:( )

Ans is 15 because 9/15 = 3/5

Hope it helps you a lot...

Answer 2

HØLÁ ...♥♥

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3, 5 , 9 , ?

Let the required digit be x.

And, we know that ;

Product of extremes = Product of means

=> 3 * x = 5 * 9

=> 3x = 45

=> x = $\dfrac{45}{3}$

=> x = 15

Hence, the required answer is 15.

OPTION (B) ✔

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Thanks for the question!

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