Compound interest problems Practice Question and Answer

Q: Mr Amin borrowed a certain sum from Mr Visvas. He borrowed for first 2 year at 8% per annum, for next 3 years at 11% per annum and beyond that at 14% per annum. Mr Amin paid Rs 10,920 as Simple interest in 8 years. Find how much he had borrowed? 1988 0

  • 1
    Rs 12000
    Correct
    Wrong
  • 2
    Rs 15000
    Correct
    Wrong
  • 3
    Rs 14000
    Correct
    Wrong
  • 4
    Data insufficient
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Rs 12000"
Explanation :

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Q: A sum of money at compound interest amounts to thrice itself in three years. In how many years will it be 81 times itself? 1192 0

  • 1
    27
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "12"

Q: Find the difference between SI and CI for three years at 10% per annual rate on Rs 4000 1084 0

  • 1
    Rs 125
    Correct
    Wrong
  • 2
    Rs 126
    Correct
    Wrong
  • 3
    Rs 124
    Correct
    Wrong
  • 4
    Rs 127
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "Rs 124"

Q: A certain sum amounts to Rs 1308 in 3 years, while it becomes Rs 1380 in 5 years. Find the principal. 1640 1

  • 1
    Rs 1100
    Correct
    Wrong
  • 2
    Rs 1200
    Correct
    Wrong
  • 3
    Rs 1300
    Correct
    Wrong
  • 4
    Rs 1400
    Correct
    Wrong
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Answer : 2. "Rs 1200"
Explanation :

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Q: What would be the compound interest obtained on an amount of Rs.1250 at the rate of 8 percent per annum after 2 years? 2883 1

  • 1
    Rs.200
    Correct
    Wrong
  • 2
    Rs.208
    Correct
    Wrong
  • 3
    Rs.212
    Correct
    Wrong
  • 4
    Rs.220
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "Rs.208"
Explanation :

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Q: What will be compound interest-on, a sum of Rs 1000 at die rate of 10 percent per annum after 5 year? 1204 0

  • 1
    Rs 610.51
    Correct
    Wrong
  • 2
    Rs 559.45
    Correct
    Wrong
  • 3
    Rs 665.50
    Correct
    Wrong
  • 4
    Rs 665.51
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Rs 610.51"
Explanation :

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Q: Sudhanshu invested Rs.15,000 at interest 10 percent at per annum for one year. If the interest is compounded every six months what amount will Sudhanshu get at the end of the year? 1351 0

  • 1
    Rs. 16,537.50
    Correct
    Wrong
  • 2
    Rs.16,500
    Correct
    Wrong
  • 3
    Rs. 16,525.50
    Correct
    Wrong
  • 4
    Rs.18,150
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Rs. 16,537.50 "

Q: Difference between C.I and S.I is Rs.35 at 5% per annum for 2 years. What is the principal? 1418 1

  • 1
    14,000
    Correct
    Wrong
  • 2
    12,000
    Correct
    Wrong
  • 3
    10,000
    Correct
    Wrong
  • 4
    15,000
    Correct
    Wrong
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Answer : 1. "14,000"

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