1.  Mr. Deepak invested an amount of ₹ 21250 for 6 yr. At what rate of simple interest, will he obtain the total amount of ₹ 26350 at the end of 6 yr?
A. 6% pa
B. 5% pa
C. 8% pa
D. 12% pa
E. None of the above

Answer: Option E

Explanation:

SI = 26350 - 21250 = ₹ 5100

Rate = 100 x 5100 % = 4%
21250 x 6