Question

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

• A. Rs. 690
• B. Rs. 700
• C. Rs. 698
• D. Rs. 600

Answer 1

The correct option is C Rs. 698

S.I. for 1 year = Rs. (854 - 815) = Rs. 39.
S.I. for 3 years = Rs.(39 x 3) = Rs. 117.
$\therefore$Principal = Rs. (815 - 117) = Rs. 698.