


8.
The simple interest on a sum of money is 4/9 of the principal. Find the rate percent and time, if both are numerically equal? [S.S.C. 2000]
9.
The simple interest on a certain sum of money for 2 1/2 years at 12 % per annum is Rs. 40 less than the simple interest on the same sum for 3 1/2 years at 10 % per annum. Find the sum.
10.
A sum was put at simple interest at a certain rate for 3 years. Had it been put at 2 % higher rate, it would have fetched Rs. 360 more. Find the sum.
11.
What annual instalment will discharge a debt of Rs. 1092 due in 3 years at 12 % simple interest?
12.
A sum of Rs. 1550 is lent out into two parts, one at 8 % and another one at 6 %. If the total annual income is Rs. 106, find the money lent at each rate? [L.I.C.A.A.O. 2003]
13.
At the rate of 8 1/2% p.a. simple interest, a sum of Rs. 4800 will earn how much interest in 2 years 3 months?
14.
What will be the simple interest earned on an amount of Rs. 16,800 in 9 months at the rate of 6 1/4 % p.a. ?
