21) What is the interest earned, if the principal is for Rs.12500/- maturity becomes to a amount of Rs.17500/-?

22) What is the matured amount for the deposit of Rs.5000/- and the simple interest earned for Rs.500/-?

23) What is the simple interest for the principal amount of Rs.100000 at 10% per annum for 1 year period?

24) What is the compounded annual interest, for a loan amount of Rs.80000/- at 10% per annum for a period of 2 years?

25) What is the compounded amount, if the principal of Rs.30000/- and interest earned at 7% per annum is Rs.4347?