**1.**At what percentage on compound interest will a sum of money become 8 times in 3 years?

(a) 300%

(b) 200%

(c) 100%

(d) 50%

(e) 20%

**2.**If the compound interest on a certain sum for two years at 3% be Rs. 10150. What would be the simple interest?

(a) Rs. 10000

(b) Rs. 12000

(c) Rs. 15000

(d) Rs. 20000

(e) Rs. 21000

**3.**A sum of money at compound interest amounts to thrice itself in three years. in how many years will it be 9 times itself?

(a) 2 years

(b) 9 years

(c) 3 years

(d) 12 years

(e) 6 years

**4.**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?

(a) Rs. 4236

(b) Rs. 4634

(c) Rs. 4422

(d) Rs. 4362

(e) Rs. 4262

**5.**The difference between the compound interest and the simple interest on a certain sum of money 5% per annum for 2 years is Rs. 1500. What is the sum?

(a) Rs. 150000

(b) Rs. 200000

(c) Rs. 450000

(d) Rs. 600000

(e) Rs. 620000

**6.**What is the sum of money at compound interest will amount to Rs. 2249.52 in 3 years, If the rate of interest is 3% for the first year, 4% for the second year and 5% for the third year?

(a) Rs. 1500

(b) Rs. 2000

(c) Rs. 4500

(d) Rs. 6000

(e) Rs. 6100

**7.**If the difference between the compound interest and the simple interest on a certain sum of money at 5% per annum for 3 years is Rs. 1220. What is the sum?

(a) Rs. 150000

(b) Rs. 200000

(c) Rs. 250000

(d) Rs. 160000

(e) Rs. 110000

**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?

(a) 6%

(b) 8%

(c) 12%

(d) 15%

(e) 14%

**9.**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. 3972

(b) Rs. 3465

(c) Rs. 3564

(d) Rs. 3729

(e) Rs. 3529

**10.**The difference between simple interest and compound interest on Rs. 900 for one year at 10% per annum reckoned half yearly is:

(a) Rs. 2.15

(b) Rs. 2.25

(c) Rs. 2.35

(d) Rs. 1.15