Quantitative Aptitude Practice Question and Answer

Q:

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

1539 1

  • 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

691 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=?

392 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? 641 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? 506 0

  • 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. "\(3 {39 \over 64 }\) "

Q:Ram can complete ¼ th part of work in 8 days and Shyam can complete 2/4 th of the work in 6 days and Naresh can complete ¾th the work in 12 days. In how many days can they together complete it? 362 0

  • 1
    \(6 {11 \over 17 }\)
    Correct
    Wrong
  • 2
    \(5 {11 \over 17 }\)
    Correct
    Wrong
  • 3
    \(8 {11 \over 17 }\)
    Correct
    Wrong
  • 4
    \(7 {11 \over 17 }\)
    Correct
    Wrong
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Answer : 2. "\(5 {11 \over 17 }\)"

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? 442 0

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

Q:A, B and C can complete a work in 10, 15 and 20 days respectively. A and B start it together. B is replaced by C after 2 days. A leave it after one more day. In how many days work was completed? 385 0

  • 1
    13
    Correct
    Wrong
  • 2
    \(13 {1 \over 13 }\)
    Correct
    Wrong
  • 3
    \(18 {4 \over 3 }\)
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 2. " \(13 {1 \over 13 }\)"

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