Quantitative Apitude-Compound Interest
Quantitative Apitude-Compound Interest
11. A sum of money at compound interest amounts to thrice itself in 3 years. in how many years will it be 9 times itself?
- 12
- 9
- 6
- 8
12. The present worth Rs. 169 due in 2 years at 4% per annum compound interest is :
- Rs. 150.50
- Rs. 154.75
- Rs. 156.25
- Rs. 158
13. To find out the total compound interest accrued on a sum of money after 5 years, which of the following informations given in the statements A and B is/are sufficient ?
A : the rate of interest was 6% per annum
B : The total simple interest on the same amount after 5 years at the same rate will be Rs. 600
A : the rate of interest was 6% per annum
B : The total simple interest on the same amount after 5 years at the same rate will be Rs. 600
- only A is suficient
- Either A and B is sufficient
- Both A and B together are needed
- only B is sufficient
14. To find out the total compound interest accured on a sum of money after 5 years, which of the following informations given in the statements P and Q will be sufficient ?
P : The sum was Rs. 20000.
Q : The total amount of simple interest on the sum after 5 years was Rs. 4000
P : The sum was Rs. 20000.
Q : The total amount of simple interest on the sum after 5 years was Rs. 4000
- only P is sufficient
- Only Q is sufficient
- Either P or Q is sufficient
- Both P & Q are needed
15. The difference between the compound interest and simple interest earned at the end of second year on a sum of money at 10 % per annum is Rs. 20. The sum is :
- Rs. 4000
- Rs. 2000
- Rs. 1500
- Data inadequate
16. A sum of Rs. 12000 deposited at compound interest becomes double after 5 years. After 20 years it will become :
- Rs. 120000
- Rs. 192000
- Rs. 124000
- Rs. 96000
17. The last number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is :
- 3
- 4
- 5
- 6
18. The compound interest on a sum for 2 years is Rs. 832 and the simple interest on the same sum for the same period is Rs. 800. The difference between the compound interest and the simple interest for 3 years will be :
- Rs. 48
- Rs. 66.56
- Rs. 98.56
- Rs. 26.90
19. A sum of money becomes Rs. 13380 after 3 years and Rs. 20070 after 6 years on compound interest. The sum is :
- Rs. 8800
- Rs. 8890
- Rs. 8920
- Rs. 9040
20. A loan was repaid in two annual instalments of Rs. 121 each. If the rate of interest be 10% per annum, compounded annually, the sum borrowed was :
- Rs, 200
- Rs. 210
- Rs. 217.80
- Rs. 216