The simple interest on a certain sum for 3 years at 8% per annum is ₹180 more than the interest on the same sum for 2 years at 9% per annum.
Find the sum.

Question

The simple interest on a certain sum for 3 years at 8% per annum is ₹180 more than the interest on the same sum for 2 years at 9% per annum. Find the sum.

Accepted Answer

3000. Let P be the sum. (P×8×3)/100 − (P×9×2)/100 = 180 → (24P − 18P)/100 = 180 → 6P/100 = 180 → P = 18000/6 = ₹3000.

The simple interest on a certain sum for 3 years at 8% per annum is ₹180 more than the interest on the same sum for 2 years at 9% per annum.
Find the sum.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 7 Simple Interest practice

The simple interest on a certain sum for 3 years at 8% per annum is ₹180 more than the interest on the same sum for 2 years at 9% per annum.Find the sum.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 7 Simple Interest practice

The simple interest on a certain sum for 3 years at 8% per annum is ₹180 more than the interest on the same sum for 2 years at 9% per annum.
Find the sum.