A sinking fund receives ₹10,000 at the end of each year for 3 years and stands at ₹31,525 after the third deposit. How much of it is interest?

Explanation

1. 01

   The deposits add up to $3 \times 10{,}000 = 30{,}000$.

2. 02

   Interest $= 31{,}525 - 30{,}000 = 1{,}525$ rupees.