Aptitude  Compound Interest  Practice Q&A

1. The least 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

2. There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate?

Rs. 2160 Rs. 3120 Rs. 3972 Rs. 6240

3. Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?

Rs. 8600 Rs. 8620 Rs. 8820 None of these

4. What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12 p.c.p.a.?

Rs. 9000.30 Rs. 9720 Rs. 10123.20 Rs. 10483.20

5. There is 80% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 14,000 after 3 years at the same rate?

Rs.3794 Rs.3714 Rs.4612 Rs.4634

6. What is the difference between the compound interests on Rs. 5000 for 1$ \dfrac{1}{2} $ years at 4% per annum compounded yearly and half-yearly?

Rs. 2.04 Rs. 3.06 Rs. 4.80 Rs. 8.30

7. The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period in years is:

2 2$ \dfrac{1}{2} $ 3 4

8. The difference between compound interest and simple interest on an amount of Rs. 15,000 for 2 years is Rs. 96. What is the rate of interest per annum?

8 10 12 Cannot be determined

9. At what rate of compound interest per annum will a sum of Rs. 1400 become Rs. 1573.04 in 2 years?

4% 5% 6% 8%

10. The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum in Rs. is:

625 630 640 650

 

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