At what percent per annum will a sum of money triple in 14 years ........

Quantitative Aptitude ( CCS) Simple Interest

At what percent per annum will a sum of money triple in 14 years?

13%

15%

14 2/7%

13 1/2%

Let priciple=P

Money will become triple means Amount=3P

SI=3P-P=2P

2P=(P*14*r)/100
200=14*r==> r=200/14 =14 2/7%.

Hence, option 3 is the correct answer.

Submit Error

why 2P and not 3P?

Munesh Kumari

We want to make amount triplet means if principle is P then Amount=3P 2P is interest