Compound interest problems Practice Question and Answer

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?

243 0

  • 1
    32.22%
    Correct
    Wrong
  • 2
    34.44%
    Correct
    Wrong
  • 3
    35.55%
    Correct
    Wrong
  • 4
    37.77%
    Correct
    Wrong
  • 5
    38.88%
    Correct
    Wrong
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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)

144 0

  • 1
    Rs. 20010
    Correct
    Wrong
  • 2
    Rs. 24820
    Correct
    Wrong
  • 3
    Rs. 25630
    Correct
    Wrong
  • 4
    Rs. 26400
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "Rs. 24820"

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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:

201 0

  • 1
    ₹1,563
    Correct
    Wrong
  • 2
    ₹1,536
    Correct
    Wrong
  • 3
    ₹1,632
    Correct
    Wrong
  • 4
    ₹1,602
    Correct
    Wrong
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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?

162 0

  • 1
    ₹20,000
    Correct
    Wrong
  • 2
    ₹19,350
    Correct
    Wrong
  • 3
    ₹19,450
    Correct
    Wrong
  • 4
    ₹19,300
    Correct
    Wrong
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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.

740 0

  • 1
    ₹.8,150
    Correct
    Wrong
  • 2
    ₹.7,900
    Correct
    Wrong
  • 3
    ₹.7,650
    Correct
    Wrong
  • 4
    ₹. 8,250
    Correct
    Wrong
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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:

296 0

  • 1
    6
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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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

258 0

  • 1
    10%
    Correct
    Wrong
  • 2
    9%
    Correct
    Wrong
  • 3
    11%
    Correct
    Wrong
  • 4
    8%
    Correct
    Wrong
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Answer : 1. "10% "

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