April 07, 2018

Time and work problems for SBI, IBPS, RBI and SSC exams #2

Time and work problems for SBI PO, IBPS PO, RBI grade B officers and SSC CGL exams

Time and work problems for SBI PO, IBPS PO, RBI grade B officers and SSC CGL exams
  1. A and B can do a work in 12 days, b and C can do a work in 15 days, c and a in 20 days. If a, b and c work together then they will complete the work in-
  2. A and B can do a piece of work in 72 days. B and C can do a work in 120 days. A and c can do it in 90 days. In How many days all the three together can do the work?
  3. A particular job can be completed by a team of 10 men in 12 days. The same job can be completed by a team of 10 women in 6 days. How many days are needed to complete the job if the two teams work together?
  4. A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work?
  5. A and B can do a piece of work in 10 days, b and C in 15 days and C and a in 20 days. C alone can do the work in;
  6. A can do a piece of work in 4 hours, b and C can do it in 3 hours. A and c can do it in 2 hours. How long will B alone take to do it?
  7. A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they can complete the same work in:
  8. A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is:
  9. A and B together can complete a piece of work in 72 days, B and c together can complete it in 120 days, and a and c together in 90 days. In what time can a alone complete the work?
  10. A and B together can do a work in 8 days, B and c together in 6 days while c and a together in 10 days. If they all work together, the work will be completed In:

Answers


  1. 10 days
  2. 60 days
  3. 4 days
  4. 3.6 days
  5. 120 days
  6. 12 hours
  7. 3 3/7 days
  8. 15 days
  9. 120 days
  10. 5 5 / 47 days

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