Time and Work Questions and Answers

General Aptitude

Time and Work

    26) A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :

  • A)4 days
  • B)6 days
  • C)8 days
  • D)12 days
Answer: C

    27) 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:

  • A)5 days
  • B)6 days
  • C)10 days
  • D)10(1/2) days
Answer: C

    28) X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?

  • A)13(1/3) days
  • B)15 days
  • C)20 days
  • D)26 days
Answer: A

    29) A and B can do a job together in 7 days. A is 13/4 times as efficient as B. The same job can be done by A alone in :

  • A)9(1/3) days
  • B)11 days
  • C)12(1/4) days
  • D)16(1/3) days
Answer: B

    30) A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

  • A)30 days
  • B)40 days
  • C)60 days
  • D)70 days
Answer: C