Wednesday, December 17, 2014

Important Time and Work Questions for SSC CGL Tier-2 Exam

(1)Two workers A and B are engaged to do a work. A working alone takes 32 days more to complete the job than if both worked together. If B worked alone, he would take 8 days more to complete the job than they both working together. What time would they take to do the work together?

  •  12 days
  • 16 days
  • 14 days
  • 22 days

(2) A, B and C can complete a work in 11, 22 and (33/7) days respectively. They started the work together but C left the work 2 days before the completion of the work and A left the work 1 day before the completion of the work. In how many days the work will be completed?
  • 92/23
  • 100/23
  • 4 7/23
  • 98/23
(3) A and B together can complete a work in 12 days while B and C can complete in 16 days. A has been working for 5 days and B for 7 days. C finished the work in 13 days. In how many days, C alone can complete the total work.
  • 16 days
  • 12 days
  • 24 days
  • 14 days
(4) A takes as much time as B and C together to complete a work. A and B working together can finish it in 10 days. C alone can complete the same job in 15 days. In how many days can B alone complete the same work.
  • 60 days
  • 30 days
  • 40 days
  • 24 days
(5)A is 50% more efficient than B and B is 25% less efficient than C. If B takes 12 days more to complete the work than C. In how many days, A and B can complete the same work?
  • 24 days
  • 12 days
  • 96/5 days
  • 82/5 days
(6) A does half as much work as B in 3/4th of the time. If together, they take 18 days to complete the work. In how many days can B complete the work working alone.
  • 32 days
  • 24 days
  • 30 days
  • 45 days
(7)A does 3/4th of the work in 7/11th of the time. If working together, they complete the work in 66 days. In how many days, A alone can complete the work?
  • 62 days
  • 122 days
  • 92 days
  • 120 days
(8) A is thrice as good workman as B therefore takes 80 days less than B to do a work. In how many days they can complete the work working together?
  • 24 days
  • 30 days
  • 45 days
  • 60 days
(9) A team of 30 men suppose to do a work in 38 days. After 25 days, 5 more men are employed and the work finished 1 day earlier. How many days would it have been delayed if 5 more men were not employed.
  • 14 days
  • 1 day
  • 5 days
  • 12 days
(10)16 taps are fitted to a water tank. Some of them are water taps to fill the tank and the remaining are outlet taps used to empty the tank. Each water tank fill the tank in 6 hours and each outlet can empty it in 18 hours. On opening all the taps, the tank is filled in 1.5 hours. Find the number of empty taps.
  • 12 Pipes
  • 9 Pipes
  • 6 Pipes
  • 16 Pipes

Answers of Above Questions
  1. 16 days
  2. 100/23
  3. 24 days
  4. 60 days
  5. 96/5 days
  6. 30 days
  7. 122 days
  8. 30 days
  9. 1 day
  10. 9 Pipes

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