If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then

Home » Aptitude » Ratio, Proportion » Question

If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is equal to ?

1. 2 : 7
2. 7 : 8
3. 16 : 35
4. 4 : 13

Correct Option: C

∵ A/D = (A/B) x (B/C) x (C/D) = (2/3) x (4/5) x (6/7) = 16/35
∴ A : D = 16 : 35