**Compound interest problems **Practice Question and Answer

8## Q: The interest compounded annually on a sum of Rs. 56000 at a rate of 7% p.a. after 3 years is what percentage of the simple interest on a sum of Rs. 72000 at a rate of 9% p.a. after 5 years?

450 064f843d36e0e55b91d9be7c3

64f843d36e0e55b91d9be7c3- 132.22%false
- 234.44%false
- 335.55%false
- 437.77%false
- 538.88%true

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## Answer : 5. " 38.88%"

Explanation :

## Q: What is the total compound interest on Rs.45000 for 3 years when the sum is divided into a ratio of 4 : 5 and rate of interest on a small sum is 10% and 20% on the large sum? (Compounded annually)

356 064f1e8ff18913c5bfc72e930

64f1e8ff18913c5bfc72e930- 1Rs. 20010false
- 2Rs. 24820true
- 3Rs. 25630false
- 4Rs. 26400false
- 5None of thesefalse

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## Answer : 2. "Rs. 24820"

## Q: Rahul invested equal sums of money at compound interest under two schemes A and B. Under scheme A, the interest rate was 10% per annum and under scheme B, the interest rate was 12% p.a. The compound interest after two years on the sum invested in scheme A was ₹1,050. How much is the interest earned under scheme B after two years, if the interest is compounded annually in both schemes?

413 064ccdbcca665bacf81bbd361

64ccdbcca665bacf81bbd361- 1₹1,722false
- 2₹1,270false
- 3₹1,272true
- 4₹1,372false

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## Answer : 3. "₹1,272"

## Q: A loan is to be returned in two equal yearly instalments. If the rate of interest is 10% p.a., compounded annually, and each instalment is ₹5,808, then the total interest charged in this scheme is:

428 064c8d80a3fde307e3f4f4043

64c8d80a3fde307e3f4f4043- 1₹1,563false
- 2₹1,536true
- 3₹1,632false
- 4₹1,602false

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## Answer : 2. "₹1,536"

## Q: The rate of interest for the first 2 years is 6% p.a., for the next 3 years is 10% p.a., and for the period beyond 5 years is 12% p.a. If a person gets ₹12,771 as simple interest after 7 years, then how much money did he invest?

370 064c76787a919c8488e1e2e8d

64c76787a919c8488e1e2e8d- 1₹20,000false
- 2₹19,350true
- 3₹19,450false
- 4₹19,300false

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## Answer : 2. "₹19,350"

## Q: Find the amount (integral value only) if a sum of ₹6,500 is being borrowed at 10% interest per annum for 2 years if interest is compounded half-yearly.

1125 0649e859c3662c8741d0ada50

649e859c3662c8741d0ada50- 1₹.8,150false
- 2₹.7,900true
- 3₹.7,650false
- 4₹. 8,250false

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## Answer : 2. "₹.7,900"

## Q: The lengths of the three sides of a right-angled triangle are (x - 1) cm, (x +1) cm and (x + 3) cm, respectively. The hypotenuse of the right-angled triangle (in cm) is:

507 0646dd573cdae930acb948d75

646dd573cdae930acb948d75- 16false
- 210true
- 312false
- 47false

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## Answer : 2. "10"

## Q: A sum of money amounts to Rs. 4,840 in 2 years and to Rs. 5,324 in 3 years at compound interest (compounded annually). The rate of interests per annum is

455 0643e74a6a16c2dfa9cf1f33f

643e74a6a16c2dfa9cf1f33f- 110%true
- 29%false
- 311%false
- 48%false

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