Calculate the amount, if ₹ 15000 is lent at compound interest for 2 years and the rates for the successive years are 8% p.a. and 10% p.a. respectively.

Calculate the compound interest accrued on ₹ 6000 in 3 years, compounded yearly, if the rates for the successive years are 5%, 8% and 10% respectively.

On what sum of money will the compound interest for 2 years at 5 per cent per annum amount to ₹ 768.75 ?

Find the sum on which the compound interest for 3 years at 10% per annum amounts to ₹ 1655.