If 7 : 18 : : x : 27, then the value of x is

Question

A) 10

B) 10.5

C) 1.23

D) 12.5

Answer 1

7 : 18 : :  x : 27

The product of interior  = The prodect of exterior.

18 * x = 7 * 27

x = ( 7 * 27 ) / 18

x = ( 7 * 3 ) / 2

x = 21/2

x = 10.5

Solution : B is the correct choice.