


43.
If a sum of money at simple interest doubles in 6 years, it will become 4 times in:
44.
A sum of money trebles itself in 15 years 6 months. In how many years would it double itself?
45.
The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is:
46.
At what rate percent per annum will the simple interest on a sum of money be 2/5 of the amount in 10 years? [S.S.C. 2002]
47.
In how much time would the simple interest on a certain sum be 0.125 times the principal at 10% per annum? [Assistant Grade, 1997]
48.
How long will it take a sum of money invested at 5% p.a. S.I. to increase its value by 40%?
49.
A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is: [S.S.C. 1999]
