A sum at simple interest at `13 1/2%` per annum amounts to Rs 2502.50 after 4 years. Find the sum.

A sum at simple interest at 13(1)/(2)% per annum amounts to Rs2502.50 after 4 years.Find the sum.

A sum at 12 (1/2%) per annum amounts to Rs 8723 in 5 years at simple interest. Find the sum.

An amount of money at simple interest with 16% rate per annum amounts to Rs 11360 in 3 years. Find the principal sum borrowed.

A sum at simple interest of 13.5% per annum amounts to X 3080 in 4 yr. Find the sum.

A sum when reckoned at 6% per annum simple interest amounts to Rs. 4130 in 3 years. Find the sum.

The simple interest on a certain sum for 3 years at 10% per annum is Rs. 829.50. Find the sum.

The difference between the compound interest and simple interest on a certain sum at 15% per annum for 3 years is Rs 283.50. Find the sum.

The difference between the compound interest and simple interest on a certain sum at 15% per annum for 3 years is Rs 283.50. Find the sum.

Find the simple interest on Rs. 72000 at 6""1/2% per annum for 4 years. Also, find the amount.

A sum invested at 5% simple interest per annum increase to Rs. 504 in 4 years. The same amount at 10% simple interest per annum in 2(1)/(2) years will grow to-: