Percentage Aptitude Questions Practice Question and Answer

Q:

If the diameter of a wire is decreased by 10% by how much per cent (approximately) will the length be increased to keep the volume constant?

1071 0

  • 1
    5%
    Correct
    Wrong
  • 2
    17 %
    Correct
    Wrong
  • 3
    20 %
    Correct
    Wrong
  • 4
    23 %
    Correct
    Wrong
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Answer : 4. "23 %"

Q:

What is the 15 % of 34?

1069 0

  • 1
    5
    Correct
    Wrong
  • 2
    5.1
    Correct
    Wrong
  • 3
    4.9
    Correct
    Wrong
  • 4
    5.2
    Correct
    Wrong
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Answer : 2. "5.1"

Q:

In a moter of 120 machine parts, 5 % parts were defective, in another motor of 80 machine parts, 10 % parts were defective. For the two motors considered together, the percentage of defective machine parts were 

1069 0

  • 1
    6.5
    Correct
    Wrong
  • 2
    7.5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "7"

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Answer : 2. "600"

Q:

B got 20% marks less than A. What per cent marks did A got more than B? 

1063 0

  • 1
    20%
    Correct
    Wrong
  • 2
    25%
    Correct
    Wrong
  • 3
    12%
    Correct
    Wrong
  • 4
    80%
    Correct
    Wrong
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Answer : 2. "25%"

Q:

A person spends 40% of his monthly income. The monthly income of the person is increased by 15% and his expenditure is decreased by 22%. What is the approximate percentage increase in his savings?

1062 0

  • 1
    40%
    Correct
    Wrong
  • 2
    44%
    Correct
    Wrong
  • 3
    32%
    Correct
    Wrong
  • 4
    36%
    Correct
    Wrong
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Answer : 1. "40%"

Q:

The prices of two articles are in the ratio 3 : 2 respectively. The price of the first article is increased by 40% and that of the second article is decreased by x%. If the new ratio of both the articles is : 7 : 3 then what is the value of x?

1058 0

  • 1
    20
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 3. "10"

Q:

The radius of circle is increased by 1%. How much does the area of the circle increased? 

1057 0

  • 1
    2.01%
    Correct
    Wrong
  • 2
    3.302%
    Correct
    Wrong
  • 3
    0.331%
    Correct
    Wrong
  • 4
    2.02%
    Correct
    Wrong
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Answer : 1. "2.01% "

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