Reena borrowed from Kamal certain sum for two years at simple interest. Reena lent this sum to Hamid at the same rate for two years compound interest. At the end of two years she received Rs 110 as compound interest but paid Rs 100 as simple interest. Find the sum and rate of interest.

Kamala borrowed from rattan a certain sum at a certain rate for two years simple interest. She lent this sum at the same rate to Hari for two years compound interest. At the end of two years she received Rs 210 as compound interest, but paid Rs 200 only as simple interest. Find the sum and the rate of interest.

A sum of Rs. 400 is lent at the rate of 5% per annum. Find the interest at the end of 2 years.

The simple interest on a certain sum of money at 10% per annum is 6,000 in 2 years. Find the compound interest earned in 3 years.

The simple interest on a certain sum of money at 10% per annum is 6,000 in 2 years. Find : the compound interest earned in 3 years.

A sum of Rs. 16000 earns a simple interest of Rs. 2560 in 2 years. Find the rate of interest per annum.

A sum of Rs. 10,000 yields Rs. 3310 as compound interest in 3 years. If interest is compounded yearly, find the : (i) amount (ii) rate of interest

The simple interest on a certain sum computes to रु 600 in 3 years and the compound interest on the same sum, at the same rate and for 2 years computes to रु 410. Find the rate per cent.

A certain sum of money, invested for 5 years at 8% p.a. simple interest, earns an interest of Rs. 12,000. Find : (i) the sum of money. (ii) the compound interest earned by this money in two years at 10% p.a. compound interest.

Find the compound interest at the rate of 10% per annum for two years on that principal which in two years at the rate of 10% per annum given Rs 200 as simple interest.

A certain sum amounts to Rs 5832 in 2 years at 8% compounded interest. Find the sum.