Question

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. Find the original sum of money.

• A. Rs. 698
• B. Rs. 695
• C. Rs. 697
• D. Rs. 670

Answer 1

The correct option is A Rs. 698

S.I. for 1 year
$=$ $Rs.$ $(854-815)$
$=$ $Rs.$ $39$

S.I. for 3 years
$=$ $Rs.$$(39\times 3)$
$=$ $Rs.$ $117$

$Principal$ $=$ $Rs.$ $(815-117)$
$=$ $Rs.$$698$