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Time and Work

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Q. A can complete a work in 16 days, B in 24 days, and C in 32 days. If they all work together, how long will it take to complete the work?
  • A. 6 days
  • B. 8 days
  • C. 10 days
  • D. 12 days
Q. A can do a piece of work in 12 days, while B can do it in 18 days. If they work together, how long will it take to finish the work?
  • A. 7 days
  • B. 8 days
  • C. 9 days
  • D. 10 days
Q. A can do a work in 25 days, B in 30 days, and C in 50 days. If A and B work together for 10 days, how much of the work is completed?
  • A. 1/5
  • B. 1/4
  • C. 1/3
  • D. 1/2
Q. A can do a work in 40 days, B in 60 days, and C in 120 days. If they work together for 10 days, how much of the work is completed?
  • A. 1/4
  • B. 1/3
  • C. 1/2
  • D. 1/5
Q. If A can complete a work in 12 days and B can complete it in 16 days, how long will it take for A and B to finish the work if they work together for 4 days?
  • A. 2 days
  • B. 3 days
  • C. 4 days
  • D. 5 days
Q. If A can complete a work in 18 days and B can complete it in 27 days, how long will it take for them to finish the work if A works for 6 days and then B works for 6 days?
  • A. 10 days
  • B. 12 days
  • C. 14 days
  • D. 16 days
Q. If A can do a work in 15 days and B can do it in 25 days, how long will it take for A and B to complete the work if A works for 5 days and then B works for 5 days?
  • A. 10 days
  • B. 12 days
  • C. 15 days
  • D. 20 days
Q. If A can finish a work in 20 days and B can finish it in 30 days, how long will they take to finish the work if A works for 10 days and then B works for 10 days?
  • A. 15 days
  • B. 20 days
  • C. 25 days
  • D. 30 days
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