Question : Simple interest received by a person in 15 years on a principal of Rs. 6000 is 150 percent of the principal. What is the annual rate of interest?
Option 1: 20 percent
Option 2: 30 percent
Option 3: 10 percent
Option 4: 25 percent
Correct Answer: 10 percent
Solution :
Given,
Principal = Rs. 6000
Time = 15 years
Let the rate be
Simple interest = 150% of Principal
We know, Simple interest =
⇒
⇒
Hence, the correct answer is 10 percent.