Question

If 2 : 9 :: x : 18, then find the value of x ( A ) 2 ( B ) 4 ( C ) 6 ( D ) 3

Answer 1

Answer:

2:9::4:18

Step-by-step explanation:

2/9=X/18

9x=36

X=4

Answer 2

Answer:

Step-by-step explanation:

Here, 2 and 18 are extremes,

9 and x are means.

Product of extremes = Product of means

=> 2*18 = 9*x

=> 2*18/9 = x

=> 4 = x