If 60% of A = 3/4 of B, then A : B is -----
A
4 : 5
B
9 : 20
C
5 : 4
D
20 : 9
Correct Answer: 5 : 4
60% of A = 34 of B ⇒60100×A = 34×B ⇒35×A = 34×B ⇒AB = 1512 ⇒AB = 54 ∴ A: B = 5 : 4