A. Calculate the value 5 years hence of a deposit of `1,000 made today if the interest rate is (a) 8 per cent, (b) 10 per cent, (c) 12 per cent, and (d) 15 per cent.

B. If you deposit Rs.5,000 today at 12 per cent rate of interest, in how many years (roughly) will

this amount grow to Rs 160,000? Work this problem using the rule of 72do not use tables.

C. A finance company offers to give `8,000 after 12 years in return for Rs 1,000 deposited today.

Using the rule of 72, figure out the approximate interest rate offered.