Simple Interest MCQ Set 5

SIMPLE INTEREST MCQ SET 5

1. In how many years will the simple interest on a sum of money be equal to the 5 time of principal at rate of 25% p.a.?

(a)16

(b)8

(c)20

(d)10

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Answer: C

2. A sum doubles in seven years at simple interest . In how many years will the sum become five times the original sum?

(a)35

(b)21

(c)28

(d)30

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Answer: C

3. A sum doubles in six years at simple interest . In how many years will the sum become ten times the original sum?

(a)27

(b)54

(c)45

(d)36

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Answer: B

4. A sum at simple interest becomes two times in 8 years at a certain rate of interest p.a. The time in which the same sum will be 4 times at the same rate of interest at simple interest is :

(a)30 years

(b)25 years

(c)24 years

(d)20 years

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Answer: C

5. A certain sum of money becomes three times of itself in 20 years at simple interest . In how many years does it become double of itself at the same rate of simple interest ?

(a)8 years

(b)10 years

(c)12 years

(d)14 years

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Answer: B

6. A certain sum of money becomes 4 times in 12 years when invested at simple interest . In how many years will it become 10 times of itself at the same rate ?

(a)60

(b)48

(c)24

(d)36

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Answer: D

7. What is that rate of simple interest at which a sum of money becomes three times of itself in 36 years?

(a)7.28 percent

(b)6.86 percent

(c)5.55 percent

(d)6.28 percent

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 Answer: C

8. In how many least number of complete years will a sum of money become more than four times of itself at the rate of 14 percent per annum on simple interest?

(a)20 years

(b)25 years

(c)29 years

(d)22 years

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Answer: D

9. After certain time ratio of principle and amount is 5 : 6 after 8 years their ratio become 1 : 2  . Find rate of interest

(a)15%

(b)10%

(c)20%

(d)12%

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Answer: B

10. After certain time ratio of principle and amount is 5 : 6 after 6 years their ratio become 2 : 3 . Find rate of interest .

(a)10%

(b)5%

(c)15%

(d)20%

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Answer: B