In how much time will the simple interest on a certain sum of money be $$\frac{6}{5}$$ times of the sum of 20% per annum?

A. 7 years

B. 8 years

C. 5 years

D. 6 years

Answer: Option D

Solution(By Examveda Team)

$$\eqalign{ & 6 = 5 \times \frac{{20}}{{100}} \times t \cr & t = 6{\text{ years}} \cr} $$