A sum amounts to ₹2400 at 15% simple interest per annum after 4 years fond the sum.

$1,500

Explanation:

The future value of value using simple interest is:

Future value = Value * ( 1 + rate * time)

2,400 = Value * (1 + 15% * 4)

2,400 = Value * 1.6

Value = 2,400 / 1.6

Value = $1,500

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