1)

If (15):(1x) =(1x):(100125), then the value of x is :


A) 1.5

B) 2

C) 2.5

D) 3

E) 3.5

Answer:

Option C

Explanation:

15:1x =1x:100125

(1x×1x)

=(15×100125) =425

=1x2

x2=254

x=52 =2.5