A sum of money amounts to Rs. 702 in 2 years and Rs. 783 in 3 years. The rate per cent is:

A sum of money amounts to Rs. 702

 in 2 years and Rs. 783 in 3 years.

 The rate per cent is:

(a) 12%
(b) 13%
(c) 14%
(d) 15%

Correct answer: d

Solution: