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Compound Interest 1/2

7. A man invested Rs. 16000 at compound interest for 3 years, interest compounded annually. If he got Rs. 18522 at the end of 3 years, what is rate of interest?
a. 5%
b. 6%
c. 7%
d. 8%


8. A sum of money amounts to Rs. 2880 in 2 years and 3456 in 3 years at compound interest. Find the sum.
a. Rs.2000
b. Rs.2200
c. Rs.2255
d. Rs.2400


9. A certain sum is to be divided between A and B so that after 5 years the amount received by A is equal to the amount received by B after 7 years. The rate of interest is 10%, interest compounded annually. Find the ratio of amounts invested by them.
a. 100 : 121
b. 121 : 100
c. 110 : 121
d. 110 : 131


10. A father wants to divide Rs. 5100 between his two sons, Mohan and Sohan who are 23 and 24 at present. Divide the amount in such a way that if their shares are invested at compound interest @ 4% p.a. they will receive equal amount on attaining the age of 26 years. Find Mohan's share.
a. Rs.2460
b. Rs.2600
c. Rs.2500
d. Rs.2720


11. Find the difference between Compound Interest and Simple Interest on Rs. 4000 for 1 year at 10% p.a., if the interest is compounded half-yearly.
a. Rs.40
b. Rs.35
c. Rs.25
d. Rs.10


12. Find the difference between Compound Interest and Simple Interest on Rs. 10000 for 4 years at 10% p.a., if interest is compounded annually.
a. Rs.541
b. RS.578
c. Rs.641
d. Rs.666


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