Compound interest questions Practice Question and Answer

Q:

A certain amount of money earns ₹ 540 as simple interest in 3 years. If it earns compound interest of ₹ 376.20 at the same rate of interest in 2 years, find the principal (in Rupees). 

1089 0

  • 1
    2100
    Correct
    Wrong
  • 2
    2000
    Correct
    Wrong
  • 3
    1600
    Correct
    Wrong
  • 4
    1800
    Correct
    Wrong
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Answer : 2. "2000 "

Q: Find the difference between SI and CI for three years at 10% per annual rate on Rs 4000 1085 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: Two equal amounts are deposited in two different banks at 12% for 3 years and 4.5 years. The difference between simple interest received is Rs. 72. Find the amount deposited in bank. 1074 0

  • 1
    500
    Correct
    Wrong
  • 2
    400
    Correct
    Wrong
  • 3
    600
    Correct
    Wrong
  • 4
    450
    Correct
    Wrong
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Answer : 2. "400"

Q:

The compound interest earned in two years at 12% per annum Rs 10176. What is the sum (in Rs) invested? 

1072 0

  • 1
    40000
    Correct
    Wrong
  • 2
    80000
    Correct
    Wrong
  • 3
    50000
    Correct
    Wrong
  • 4
    60000
    Correct
    Wrong
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Answer : 1. "40000 "

Q:

If the compound interest rate is 20% per annum compounded half yearly, then what will be the interest for two years on the principal of Rs. 100000?

1062 0

  • 1
    46,410
    Correct
    Wrong
  • 2
    44,000
    Correct
    Wrong
  • 3
    21,000
    Correct
    Wrong
  • 4
    33,100
    Correct
    Wrong
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Answer : 1. "46,410"

Q:

The ratio between compound interest and simple interest for a certain amount is 43 : 40 for 2 years, the find the rate of interest.

1059 0

  • 1
    15 %
    Correct
    Wrong
  • 2
    18 %
    Correct
    Wrong
  • 3
    20 %
    Correct
    Wrong
  • 4
    12 %
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "15 % "

Q:

A certain sum increases by 50 % in 5 years. Three sums x, y and z are lent for 10, 15 and 20 years respectively. If amount on each sum is equal, then find the ratio of x, y and z. 

1048 0

  • 1
    6 : 5 : 4
    Correct
    Wrong
  • 2
    9 : 4 : 6
    Correct
    Wrong
  • 3
    9 : 6 : 5
    Correct
    Wrong
  • 4
    9 : 6 : 4
    Correct
    Wrong
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Answer : 4. "9 : 6 : 4 "

Q:

In what time will ₹ 64,000 amount to ₹ 68,921 at 5 % per annum interest being compounded half yearly? 

1043 0

  • 1
    $$3{1\over 2}\ years$$
    Correct
    Wrong
  • 2
    $$2{1\over 2}\ years$$
    Correct
    Wrong
  • 3
    $$1{1\over 2}\ years$$
    Correct
    Wrong
  • 4
    $$1{3\over 2}\ years$$
    Correct
    Wrong
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Answer : 3. "$$1{1\over 2}\ years$$"

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