Quantitative Abilities Practice Question and Answer

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? 10637 6

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

Q: In a garden, the ratio of the number of coconut trees to that of mango trees is 5:6 respectively. If the total number of trees is 121, then how many coconut trees are there in the garden? 6609 4

  • 1
    50
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    56
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 4. "55"

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? 3398 2

  • 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 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? 3145 4

  • 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? 3561 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. "\(3 {39 \over 64 }\) "

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? 2351 1

  • 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 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? 2362 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. " \(13 {1 \over 13 }\)"

Q: A complete a work at four times the speed than C. If together they can complete a work in 20 days, in how many days can A alone complete it? 3043 0

  • 1
    25
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    75
    Correct
    Wrong
  • 4
    80
    Correct
    Wrong
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Answer : 1. "25"

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