Aptitude : : Ratio and Proportion Questions & Answers

  1. If 15% of x = 20% of y,then x : y is

A. 3:4

B. 4:3

C. 17:16

D. 16:17

  1. If $ \cfrac{A}{3} = \cfrac{B}{4} = \cfrac{C}{5} $ ,then A:B:C is

A. 4:3:5

B. 5:4:3

C. 3:4:5

D. 20:15:2

  1. If (x:y)=2:1,then$ (x^2-y^2) : (x^2+y^2) $ is

A. 3;5

B. 5:3

C. 1:3

D. 3:1