A person borrowed Rs. 8000 at 2(1)/(2)% per annum under S.I. The sum borrowed is immediately given to another person at the same rate on the condition that the interest is compounded semi-annually. Find the amount gained by the first person in one year.

A person borrowed Rs. 8000 at 2(1)/(2)% per annum under S.I. The sum b

1.	A person borrowed Rs. 8000 at 2(1)/(2)% per annum under S.I. The sum borrowed is immediately given to another person at the same rate on the condition that the interest is compounded semi-annually. Find the amount gained by the first person in one year.
Answer» Rs. 3.25 Rs. 2.25 Rs. 1.25 Rs. 0.25 Solution :(i) Amount gained =C.I.-S.I. (ii) Under C.I. rate of inerest for 6 MONTHS`=(1)/(2)xx(5)/(2)=(5)/(4)%` Take n=2. Find C.I. and S.I.