**1.**Find the amount for Rs. 6000 at 10% per annum, compounded semi-annually for 2 years.

a. Rs.1200

b. Rs.1250

c. Rs.1293

d. Rs.1300

**2.**The difference between the CI and SI on a certain amount at 10% per annum for 2 years, compounded annually is Rs.372. Find the principal.

a. Rs.32200

b. Rs.35000

c. Rs.37200

d. None

**3.**Find compound interest on Rs. 10000 at 10% p.a. for 4 years, if interest is compounded annually.

a. Rs.4341

b. Rs.4441

c. Rs.4641

d. Rs.4741

**4.**If a certain sum of money invested at a certain rate of compound interest doubles in 5 years. In how many years will it become 4 times?.

a. 7 years

b. 10 years

c. 11 years

d. 12 years

**5.**If a certain sum of money invested at a certain rate of compound interest doubles in 6 years. In how many years will it become 8 times?

a. 16

b. 18

c. 20

d. 24

**6.**At what rate per cent of compound interest, a sum of Rs. 2000 will amount to Rs. 2662 in 3 years?

a. 10%

b. 20%

c. 30%

d. 40%