Practice Test: Question Set - 04
1. A sum of money lent at compound interest amounts to Rs. 1210 in two years and to Rs. 1464.10 in 4 years. Find the rate of interest.
- (A) 12
%
- (B) 10 %
- (C) 8 %
- (D) 15 %
2. A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 1/4 % p.a for 2 years. Find his gain in the transaction per year.
- (A) Rs.
112.50
- (B) Rs. 125
- (C) Rs. 150
- (D) Rs.
167.50
3. Find compound interest on Rs. 5,000 at 10% per annum for 3 years
- (A) Rs. 1,555
- (B) Rs. 3,665
- (C) Rs. 1,655
- (D) Rs. 1,355
4. The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:
- (A) Rs. 2.50
- (B) Rs. 3
- (C) Rs. 3.75
- (D) Rs. 4
5. A man invested 1/3rd of the sum at 7%, ¼th at 8% and the remaining at 10% for one year. If the annual interest is Rs. 408, then the investment is
- (A) Rs. 8,400
- (B) Rs. 4,800
- (C) Rs. 5,000
- (D) Rs. 7,200
6. A tank contains 18,000 liters of water. If it decreases at the rate of 5% a day, what will be the quantity of water after 2 days?
- (A) 16,245
liters
- (B) 15,234
liters
- (C) 17,225
liters
- (D) 18,200
liters
7. A man invested one third of his capital at 7%; one fourth at 8% and the reminder at 10%. If his annual income is Rs.560, the capital is
- (A) Rs. 54,000
- (B) Rs. 60,000
- (C) Rs. 66,000
- (D) Rs. 72,000
8. 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?
- (A) Rs. 2160
- (B) Rs. 3120
- (C) Rs. 3972
- (D) Rs. 6240
9. The difference between compound interest and simple interest on a sum for 2 years at 10% per annum, when the interest is compounded annually is Rs. 160. If the interest were compounded half yearly, the difference in two interests would be:
- (A) Rs. 24.81
- (B) Rs. 32.41
- (C) Rs. 36.91
- (D) Rs. 31.61
10. If the amounts for a fixed principal after 3 and 2 years at a certain rate of compound interest are in the ratio 21 : 20. The rate of interest is?
- (A) 7 %
- (B) 6 %
- (C) 5 %
- (D) 4 %
11. If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time?
- (A) Rs. 51.25
- (B) Rs. 52
- (C) Rs. 54.25
- (D) Rs. 60
12. The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is:
- (A) Rs. 400
- (B) Rs. 500
- (C) Rs. 600
- (D) Rs. 800
13. A man borrows Rs. 12,500 from a bank at 20% compound interest. At the end of every year, he pays Rs. 2000 as part repayment. How much does he still owe to the bank after three such installments?
- (A) Rs. 15,600
- (B) Rs. 12,864
- (C) Rs. 12,000
- (D) Rs. 14,320
14. A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:
- (A) Rs. 2000
- (B) Rs. 10,000
- (C) Rs. 15,000
- (D) Rs. 20,000
15. Ravi borrowed Rs. 5,000 from Sam with simple interest. After 2 years, San got Rs. 1,000 more than what he had given to Ravi. What was the percentage of interest per annum?
- (A) 10%
- (B) 20%
- (C) 15%
- (D) 5%
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