18 Time And Work – Aptitude Questions And Answers PDF Download

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Time And Work – Aptitude Questions And Answers

Q1. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is?

  1. 1/4
  2. 7/15
  3. 8/15
  4. 1/10
  5. Answer is:8/15

Q2. A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in?

  1. 25 Days
  2. 30 Days
  3. 22.5 days
  4. 20 Days
  5. Answer is:22.5 days

Q3. If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be?

  1. 4 days
  2. 6 days
  3. 7 days
  4. 8 days
  5. Answer is:4 days

Q4. A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished?

  1. 11:30 A.M.
  2. 12 noon
  3. 12:30 P.M.
  4. 1:00 P.M.
  5. Answer is:1:00 P.M.

Q5. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

  1. 35
  2. 40
  3. 50
  4. 45
  5. Answer is:40

Q6. 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

  1. 9
  2. 7
  3. 8
  4. 5
  5. Answer is:7

Q7. X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

  1. 5
  2. 10
  3. 15
  4. 20
  5. Answer is:10

Q8. Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

  1. 12
  2. 15
  3. 16
  4. 17
  5. Answer is:16

Q9. A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

  1. 3
  2. 6
  3. 9
  4. 12
  5. Answer is: 12

Q9. A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

  1. 16 days
  2. 24 days
  3. 18 days
  4. 20 days
  5. Answer is:18 days

Q10. A and B can do a job together in 7 days. A is 1^(3/4) times as efficient as B. The same job can be done by A alone in.

  1. 9.5 days
  2. 11 days
  3. 13 days
  4. 12.5 days
  5. Answer is:11 days

Q11. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in.

  1. 8 days
  2. 10 days
  3. 11 days
  4. 12 days
  5. Answer is:10 days

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