Time and Work Questions Practice Question and Answer

Q:

A alone would take 6 hours more to complete the job than if both A and B would work together. When B worked alone he took 1.5 hours more to complete the job and A and B worked together. How much time they will take if they if they work together?

2071 0

  • 1
    3 hours
    Correct
    Wrong
  • 2
    4 hours
    Correct
    Wrong
  • 3
    4.5 hours
    Correct
    Wrong
  • 4
    5 hours
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
  • Show Answer
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Answer : 1. "3 hours"

Q:

If efficiency of B increased by and A and B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?

1550 0

  • 1
    36 days
    Correct
    Wrong
  • 2
    48 days
    Correct
    Wrong
  • 3
    32 days
    Correct
    Wrong
  • 4
    28 days
    Correct
    Wrong
  • 5
    30 days
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 1. "36 days"

Q:

A and B working together, can do a piece of work in hours. B and C working together can do it in 3 hours. C and A working together can do it in hours. All of them begin the work at the same time. Find how much time they will take to finish the piece of work?

1004 0

  • 1
    3 hours
    Correct
    Wrong
  • 2
    2 hours
    Correct
    Wrong
  • 3
    2.5 hours
    Correct
    Wrong
  • 4
    1 hours
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "2 hours"

Q:

A can do of a work in 20 days and B can do of the same work in 15 days. They work together for 10 days. C alone completes the remaining work in 1 day.  B and C together can complete of of the same work in:

883 0

  • 1
    6 days
    Correct
    Wrong
  • 2
    8 days
    Correct
    Wrong
  • 3
    5 days
    Correct
    Wrong
  • 4
    4 days
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 3. "5 days"

Q:

A and B together can do a certain work in x days. Working alone, A and B can do the same work in (x+8) and (x+18) days, respectively. A and B together will complete of the same work in;

1013 0

  • 1
    12 days
    Correct
    Wrong
  • 2
    8 days
    Correct
    Wrong
  • 3
    10 days
    Correct
    Wrong
  • 4
    9 days
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 3. "10 days"

Q:

A and B take the responsibility of doing a work for Rs 250. A can do that work alone in 5 days and B alone in 15 days. They complete the work in 3 days with the help of C. If everyone gets paid in proportion to the work, then how much amount will C get?

1227 0

  • 1
    Rs. 50
    Correct
    Wrong
  • 2
    Rs.100
    Correct
    Wrong
  • 3
    Rs. 150
    Correct
    Wrong
  • 4
    Rs. 200
    Correct
    Wrong
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  • Workspace

Answer : 1. "Rs. 50 "

Q:

Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?

2673 0

  • 1
    20 days
    Correct
    Wrong
  • 2
    18 days
    Correct
    Wrong
  • 3
    28 days
    Correct
    Wrong
  • 4
    30 days
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 1. "20 days "

Q:

A, B, and C alone can do a work in 40 days ,120 days and 36 days respectively. A and B work together for 20 days and leave it incomplete. C carries on the work and complete it alone.  How many days did C take to complete the work?

970 0

  • 1
    18
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "12"

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