Time and Work Questions Practice Question and Answer

Q:

 ‘A’ can complete a work in 20 days while B is 25% more efficient than ‘A’. B worked for 6 days and left, the remaining work is completed by ‘C’ in 15 days. Find how many days ‘C’ can complete the whole work alone. 

509 0

  • 1
    27 days
    Correct
    Wrong
  • 2
    21 days
    Correct
    Wrong
  • 3
    18 days
    Correct
    Wrong
  • 4
    24 days
    Correct
    Wrong
  • 5
    30 days
    Correct
    Wrong
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Answer : 4. "24 days"

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Answer : 3. "$$25{2\over 3}$$"

Q:

A and B can do a piece of work in 18 days. B and C together can do it in 30 days. If A is twice as good a workman C, find in how many days B alone can do the work?

481 0

  • 1
    90 days
    Correct
    Wrong
  • 2
    100 days
    Correct
    Wrong
  • 3
    80 days
    Correct
    Wrong
  • 4
    75 days
    Correct
    Wrong
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Answer : 1. "90 days"

Q:

A can do $$1\over 3$$ of a work in 30 days. B can do $$2\over 5$$ of the same work in 24 days. They worked together for 20 days. C completed the remaining work in 8 days. Working together A, B and C will complete the same work in:

387 0

  • 1
    15 days
    Correct
    Wrong
  • 2
    10 days
    Correct
    Wrong
  • 3
    18 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 4. "12 days"

Q:

To do a certain work, the ratio of the efficiencies of A and B is 7: 5. Working together, they can complete the same work in $$17{1\over 2}$$ days. A alone will complete 60% of the same work in:

362 0

  • 1
    18 days
    Correct
    Wrong
  • 2
    15 days
    Correct
    Wrong
  • 3
    16 days
    Correct
    Wrong
  • 4
    21 days
    Correct
    Wrong
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Answer : 1. "18 days"

Q:

Three men and 4 women can do a piece of work in 7 days, whereas 2 men and I woman can do it in 14 days. Seven women will complete the same work in:

412 0

  • 1
    10 days
    Correct
    Wrong
  • 2
    8 days
    Correct
    Wrong
  • 3
    9 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 1. "10 days"

Q:

A can do 2% of a work in 4 days, B can do $$33{1\over 3}\%$$ of the same work in 10 days. They worked together for 9 days. C completed the remaining work in 6 days. B and C together will complete 75% of the same work in :

401 0

  • 1
    9 days
    Correct
    Wrong
  • 2
    15 days
    Correct
    Wrong
  • 3
    10 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 3. "10 days "

Q:

A can do a piece of work in 15 days. B is 25% more efficient than A, and C is 40% more efficient than B. A and C work together for 3 days and then C leaves. A and B together will complete the work in:

405 0

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

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