# 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}/_{3}rd 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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