Welcome to your Aptitude Test-11-Compound Interest

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1) The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?

6

18

9

12

2) Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?

Rs.64000

Rs.80000

Rs.81000

Rs.75000

3) At the end of three years what will be the compound interest at the rate of 10% p.a. on an amount of Rs.20000?

Rs.6620

Rs.6400

Rs.6500

Rs.6800

4) A sum of money is put out at compound interest for 2 years at 20%. It would fetch Rs.482 more if the interest were payable half-yearly, then it were pay able yearly. Find the sum

Rs.2000

Rs.4000

Rs.1250

Rs.1000

5) The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.144. Find the principal?

Rs.3900

Rs.3600

Rs.3000

Rs.3300

6) The difference between simple interest and C.I. at the same rate for Rs.5000 for 2 years in Rs.72. The rate of interest is?

12%

8%

10%

6%

7) Rajan borrowed Rs.4000 at 5% p.a compound interest. After 2 years, he repaid Rs.2210 and after 2 more year, the balance with interest. What was the total amount that he paid as interest?

Rs.613.50

Rs.653.50

Rs.635.50

Rs.675.50

8) The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?

8%

4%

6%

5%

9) A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?

Rs.32000.50

Rs.18060.36

Rs.25600.24

Rs.18600

10) If Rs.7500 are borrowed at C.I at the rate of 4% per annum, then after 2 years the amount to be paid is?

Rs.8082

Rs.8112

Rs.8100

Rs.7800

11) Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.15of money?

2100

1800

1500

1950

12) Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?

4 years

6 years

2 years

3 years

13) Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?

Rs.2522

Rs.17684

Rs.3408

Rs.1684

14) In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?

8500

8400

8100

8000

15) A sum of money deposited at C.I. amounts to Rs.2420 in 2 years and to Rs.2662 in 3 years. Find the rate percent?

8%

15%

10%

7 1/2 %

16) Find the compound interest and the amount on Rs.8000 at 5% per annum for 3 years when C.I is reckoned yearly?

Rs.1440

Rs.1261

Rs.1185

Rs.1185

17) A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?

12

20

8

16

18) A sum amount to Rs.1344 in two years at simple interest. What will be the compound interest on the same sum at the same rate of interest for the same period?

Rs.140

Data insufficient for the answer

Rs.130

Rs.150

19) How much more would Rs.20000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?

Rs.482

Rs.424

Rs.512

Rs.842

20) A money lender lends Rs.2000 for six months at 20% p.a. rate. It the interest is reckoned quarterly than find the amount given after time limit.

Rs.2200

Rs.2200

Rs.2205

Rs.2040

21) The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The percentage increase in the population after 2 years is?

10.15

10

10.25

11

22) What sum of money put at C.I amounts in 2 years to Rs.8820 and in 3 years to Rs.9261?

Rs.8400

Rs.8000

Rs.7500

None

23) Simple interest on a sum at 4% per annum for 2 years is Rs.80. The C.I. on the same sum for the same period is?

Rs.81.60

Rs.99

Rs.160

Rs.1081.60

24) The difference between compound and simple interest on a certain sum of money for 3 years at 6 2/3% p.a is Rs.184. Find the sum?

Rs.14200

Rs.12000

Rs.13500

Rs.17520

25) Find the amount on Rs.5000 in 2 years, the rate of interest being 4% per first year and 5% for the second year?

Rs.460

Rs.5604

Rs.5640

Rs.5460

26) Find the sum lend at C.I. at 5 p.c per annum will amount to Rs.441 in 2 years?

Rs.420

Rs.380

Rs.400

Rs.375

27) Indu gave Bindu Rs.1250 on compound interest for 2 years at 4% per annum. How much loss would Indu has suffered had she given it to Bindu for 2 years at 4% per annum simple interest?

Rs.5

Rs.10

Rs.2

Rs.3

28) Find out the C.I on Rs.5000 at 4% p.a. compound half-yearly for 1 1/2 years

Rs.319.06

Rs.306.04

Rs.306.04

Rs.420.20

29) Find the least number of complete years in which a sum of money put out at 25% compound interest will be more than double of itself?

4 years

1 year

1 year

6 years

30) Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?

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