if 3000 amount to 4320at compound interest in a certain time, then 3000 amount to what in half of the time

If Rs. 500 amounts to the Rs. 725 at 9% simple interest in some time, what will Rs. 600 amount to at 11% in the same time?

In 4 years, ₹6500 amounts to ₹8840 at a certain rate of interest. In what time will ₹1600 amounts to ₹1816 at the same rate?

At what per cent annual compound interest rate a certain sum amounts to its 27 times in 3 yr?

A man invests rupes 3000 for three years at compounds interest . After one years . The money amount to rupes 3,240 find the rate of interest and the amount (to the nearst rupee) due at the end of 3 years.

Simple interest on a given amount is always less than or equal to the compound interest on the same amount for the same time period and at the same rate of interest per annum.