Quantitative Aptitude Practice Question and Answer

Q:A, B and C together can do a work in 8 days if A and B can do it in 20 and 30 days respectively. In how many days C alone can complete it? 828 1

  • 1
    16
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"

Q:

The total number of females are what percent of the total number of males in the organization?

14106 2

  • 1
    90
    Correct
    Wrong
  • 2
    70
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "80"

Q:Milk and water are in 7:2 ratio in a mixture of 729 litres. How much water shall be mixed in it in order to change this ratio to 7:3? 4966 2

  • 1
    81
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    56
    Correct
    Wrong
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Answer : 1. "81"

Q:

What should come in place of the question mark(?) in the following number series?
1, 5, 13 , 29 ,? , 125 , 253

2604 2

  • 1
    83
    Correct
    Wrong
  • 2
    69
    Correct
    Wrong
  • 3
    61
    Correct
    Wrong
  • 4
    65
    Correct
    Wrong
  • 5
    81
    Correct
    Wrong
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Answer : 3. "61"
Explanation :

The difference between number will be 4, 8, 16, 32, 64

Q:

What should come place of the question mark(?) in the following number series?
17, 18 , 26, 53 , 117, ? , 458

3152 0

  • 1
    342
    Correct
    Wrong
  • 2
    142
    Correct
    Wrong
  • 3
    257
    Correct
    Wrong
  • 4
    262
    Correct
    Wrong
  • 5
    242
    Correct
    Wrong
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Answer : 5. "242"
Explanation :

The difference is number between 13 ,2, 3, 4, 53

Q:

What approximate value should come in place of the question mark(?) in the following question?
105.003+307.993+ 215.630=?

839 0

  • 1
    610
    Correct
    Wrong
  • 2
    650
    Correct
    Wrong
  • 3
    660
    Correct
    Wrong
  • 4
    670
    Correct
    Wrong
  • 5
    630
    Correct
    Wrong
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Answer : 5. "630"
Explanation :

undefined

Q:A and B together can complete a work in 10 days. A alone can do it in 40 days. In how many days B alone can complete it? 1261 1

  • 1
    \({40\over3}\)
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    30/7
    Correct
    Wrong
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Answer : 1. "\({40\over3}\)"

Q:Ratan can complete a work in \(5 {1 \over 2}\) days while Rupesh can complete it in \(10 {1 \over 2}\) days. In how many days can they both complete it working on it together? 1036 2

  • 1
    \(3 {39 \over 64 }\)
    Correct
    Wrong
  • 2
    \(4 {39 \over 64 }\)
    Correct
    Wrong
  • 3
    \(5 {39 \over 64 }\)
    Correct
    Wrong
  • 4
    \(6 {39 \over 64 }\)
    Correct
    Wrong
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Answer : 1. "\(3 {39 \over 64 }\) "

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