1)

If 2A=3B and 4B=5C, then A:C is :


A) 11:7

B) 12:9

C) 15:8

D) 14:7

E) 15:7

Answer:

Option C

Explanation:

2A=3B and 4B=5C  AB=32 and BC=54

AC =AB×BC =32×54

A:C=15:8.