Aptitude : : Ratio and Proportion Questions & Answers
- If 15% of x = 20% of y,then x : y is
A. 3:4
B. 4:3
C. 17:16
D. 16:17
- 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
- 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