Rs. 2400 becomes Rs. 3600 at a certain rate of interest compounded annually in 5 years. Find the amount at the end of 15 years.
Answer & explanation
Correct answer: option 1
Principal : Amount
5yrs: 2400 : 3600
5yrs: 2 : 3
10yrs: 22 : 32
15yrs: 23 : 33
8 : 27
⇓× 300 ⇓
2400 ⇓× 300
8100/-