The sum of money at simple interest amounts to ₹750 in 3 years and to ₹825 in 4 years. The sum is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. ₹525.
Interest for 1 year = ₹825 - ₹750 = ₹75.
Interest for 3 years = 3 × ₹75 = ₹225.
Principal = ₹750 - ₹225 = ₹525