A bill is discounted at
5 % per annum. If banker's discount be allowed, at what rate of interest must the proceeds be invested, so that nothing is lost?
A has to pay $ 22 to
B after 1 year.
B asks
A to pay $ 110 in cash and defers the payment of $ 110 for 2 years. A agrees to it. Counting the rate of interest at 10% per annum in this new mode of payment,