**Problem 1:** A man borrows RS.2100 and undertakes to pay back with C.I at the rate of 10% in 2 equal yearly installments at the end of 1st and 2nd year. What is the amount of each installment?

Solution:

Formula:

2100=

2100=

2100=

2100=

2100=

Shortcut: (1+r%)=>

%

=

**Problem 2:** A=1820 R=20% Time=3 C.I=?

Solution:

36:30:25

**Problem 3:** A man buys a scooter on making a cash draw payment of 16224 and promises to pay two more yearly installment of equivalent amount in the next two years. If the rate of the installment is 4% per annum then the cash value of the scooter is?

Solution:

Total value = 16244+15600+15000 = 46,844