What must be added to each term of the ratio 7 : 13 so that

Home » Aptitude » Ratio, Proportion » Question

What must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3 ?

1. 1
2. 2
3. 3
4. 5

Correct Option: D

∵ (7 + N) / (13 + N) = 2/3
⇒ 3(7 +N) = 2(13 + N)
∴ N = 5