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Compound Interest Questions & Answers

Practice essential Compound Interest questions so that you can answer them correctly in the exams. Compound Interest questions and answers are given a medium weightage in the exam and therefore must be revised.

Q11

Q11 My cousin lends me Rs.10 lakhs for studying in United States at 8% compound interest per annum, during the course period of 2 years and at 12% per annum after completion of my studies. If I return 50% of the amount which is to be returned on completion of studies, and the remaining after one year, how much interest must I pay him during the whole period in Lakhs?

A

2 lakhs

B

2.56 lakhs

C

2.36 lakhs

D

3 lakhs

Q12

Q12 A man deposited Rs.40,000 in a bank at 10% per annum interest compounded yearly. Now after two years, the government comes out with a law that any annual interest greater than Rs.2500 will be taxed at the end of the year. Also, the rate of interest is decreased to 8%. How much should the man withdraw now so as, not to pay tax at the end of the year?

A

25000

B

24000

C

18175

D

17150

Q13

Q13 A bank pays interest @ 8 percent p.a. on a deposit for half a quarter as well as on a deposit for one quarter. A makes a deposit of Rs.25 lakhs for a quarter. B makes a deposit of Rs.25 lakhs for half a quarter, and after maturity reinvests the entire amount for half a quarter. What is B’s gain over A?

A

200

B

240

C

250

D

175

Q14

Q14 A certain sum becomes 8 times itself in 3 years under compound interest, interest being compounded annually. How many years would the sum takes to become 64 times itself?

A

6 years

B

4 years

C

8 years

D

5 years

Q15

Q15 The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:

A

3

B

4

C

5

D

6

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