__MATH TEST-31: COMPOUND INTEREST__**1. A person took a loan of Rs 6000 for 3 yrs at 5% per annum compound interest. He repaid Rs 2100 in each of first 2 years. The amount he should pay at the end of 3**

^{rd}year to clear his debts.**a. 2425.0**

**b. 2745.0**

**c. 2552.5**

**d. 2635.5**

**2. If the sum of money placed at CI, compounded annually, triples itself in 5 yrs, then it will be 27 times of itself in how many years:**

**a. 10**

**b. 8**

**c. 15**

**d. none**

**3. The difference between simple and compound interest compounded every 6 months at the rate of 10% p.a at the end of 1 yr is Rs 50. Find the sum.**

**a. 30000**

**b. 20000**

**c. 25000**

**d. 50000**

**4. In what time will Rs. 390625 amount to Rs 456976 at 4% compound interest:**

**a. 2 yr**

**b. 3 yr**

**c. 4 yr**

**d. 5 yr**

**5. Divide Rs 2708 between A and B so that A’s share at the end of 6 yrs may be equal to B’s share at the end of 8 yrs compound at 8%:**

**a. 1458 , 1250**

**b. 1448,1260**

**c. 1438, 1270**

**d. 1468 , 1240**

**6. A bank offers 10% compound interest compounded half yearly. By depositing Rs 2000 each on 1**

^{st}Jan and 1^{st}July of a year interest gained is:**a. 205**

**b.305**

**c. 300**

**d. 200**

**7. There is 30% increase in an amount in 6 yrs at Simple interest .What will be the compound interest of Rs. 6000 after 3 yrs at the same rate:**

**a. 1245.75**

**b. 1250.25**

**c. 1200.75**

**d. 1260.50**

**8. The difference between effective annual interest corresponding to 8% per annum payable yearly and half yearly at the end of 2 yrs:**

**a. 40**

**b. .43**

**c. .45**

**d. . 44**

**9. The difference between compound interest and simple interest on an amount of Rs 25000 for 2 yrs is 62.5 .What is the rate:**

**a. 8**

**b.10**

**c. 5**

**d. none**

**10. The compound interest on a certain sum for 2 yrs at 10% per annum is Rs 12. The simple interest on the same sum for double the time and half the rate is:**

**a. 200**

**b. 250**

**c. 120**

**d. 240**

**ANSWERS:**

**1.A, 2.C, 3.B, 4.C, 5.A, 6.B, 7.A, 8.D, 9.C, 10.D,**