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.

Radha borrowed from Sharma certain sum for two years at fixed rate of simple interest. Radha lent this sum to Mohan at the same rate for 2 years at compound interest,At the end of two years she received Rs 51.25 as compound interest but paid Rs 50 only as simple interest, find the sum and rate of interest.

Suneeta borrowed certain sum from Reena for 2 yr at simple interest. Suneeta lent this sum to Venu at the same rate for 2 yr at compound interest. At the end of 2 yr, she received ? 110 as compound interest but paid ? 100 as simple interest. Find the sum and the rate of interest.

If the compound interest on a certain sum for two years at 12% per annum is Rs. 2544, the simple interest on it at the same rate for 2 years will be

If the compound interest on a certain sum for two years at 12% per annum is ₹ 2,544, the simple interest on it at the same rate for 2 years will be

A certain sum amounts to Rs. 900 at simple interest in 5 years. It amounts to Rs. 1020 at the same rate at simple interest in 7 years. Find the sum (in Rs.).

If the compound interest on a certain sum for 2 years at the rate of 10% is Rs. 105 and simple interest is Rs. 100, then the sum is

The compound interest on a certain sum for 2 years is Rs 882, whereas the simple interest on it is Rs 840. Find the rate of interest.