1. 6 men can do a piece of work in 10 days. If a woman works half as fast as a man, in how many days can 10 women complete the work?
  • 24
  • 6
  • 18
  • 12
  • None of the above

 

Answer: 12

  1. 4 men can complete a piece of work in 4 days working 4 hours a day. In how many hours can 8 men complete the same work working 8 hours a day?
  • ½
  • 2
  • 4
  • 1
  • None of the above

Answer: 1

  1. If the ratio of individual times taken to complete a piece of work by P, Q and R is 2:3:4, then what is the ratio of work done by P, Q and R in one hour?
  • 4:3:2
  • 6:4:3
  • 4:6:9
  • 4:9:16
  • None of the above

Answer: 6:4:3

  1. A can complete a piece of work in 12 days, B in 20 days. They work together and complete the work in 4 days with the help of C. If they earn Rs. 3000, what is A;s share?
  • 800
  • 1000
  • 1200
  • 1500
  • None of the above

Answer: 1000

  1. The ratio of efficiencies of A, B and C is 3:4:5. If they completed a piece of work working together, what fraction of the work was done by A?
  • 4/9
  • 1/3
  • 3/13
  • 2/13
  • None of the above

Answer: 3/13

  1. A can complete a piece of work working alone in 10 days. B can complete the work working alone in 15 days. If they work on alternate days, the work would be completed in the
  • Least no. of days if A starts the work.
  • Least no. of days if B starts the work
  • In the same time irrespective of who starts the work
  • None of the above

Answer: In the same time irrespective of who starts the work

  1. P can complete a piece of work, working alone, in 3 days. Q can complete the work, working alone, in 5 days. If they work on alternate days, the work would be completed in the
  • Least no. of days if P starts the work.
  • Least no. of days if Q starts the work
  • In the same time irrespective of who starts the work
  • None of the above

Answer: Least no. of days if P starts the work.

  1. A and B working together can complete a piece of work in 10 days. B and C working together can complete the work in 12 days. A and C working together can complete the work in 15 days. Who is the slowest of three?
  • A
  • B
  • C
  • Cannot be determined

Answer: C

  1. 14 workers make 17 boxes in 6 days. How many workers are required to make 289 boxes in 42 days?
  • 32
  • 38
  • 42
  • 34
  • None of the above

Answer: 34

  1. P, Q and R together can complete 50 % of the work in 2 days. All three start the work but after two days Q leaves. P and R complete one sixth of the work the next day and then P leaves. The remaining work is done by R alone in 8 days. In how many days can P alone complete the work?
  • 6
  • 8
  • 10
  • 12
  • None of the above

Answer: B

  1. 15 men and 25 women can dig an area of 880 sq m in 8 days. In how many days can 20 men and 12 women dig an area of 1040 sq m if each man can dig twice as a woman in same time?
  • 6
  • 8
  • 10
  • 12
  • None of the above

Answer: C

  1. A certain no. of taps filled a tank in 7 hours. If there were 4 taps less, the tank would have been filled in 11 hours. Find the no. of taps.
  • 7
  • 11
  • 13
  • 14
  • None of the above

 

Answer: B

  1. A can do a work in 6 days, which B can do in 9 days and C in 12 days. If a similar work is done in 24 days by all three working together, how many days will B alone take to complete it?
  • 68
  • 48
  • 54
  • 78
  • None of the above

Answer: D

  1. R takes 5 times the time taken by P to do a certain work, P takes half the time taken by Q to do the same work, S takes three times the time taken by Q to do the same work. Q, R and S do (5/16)th, (1/4)th, (3/16)th of the work respectively, P does the remaining work. If it takes 13 days to complete the work, one working after ther other, what will be the no. of days taken by P, Q, R and S individually to complete the work?
  • 4,8,20,24
  • 5,10,25,30
  • 6,12,30,36
  • 7,14,35,42
  • None of the above

Answer: A

  1. P, Q, R, S and T can do a job in 6,9,10,15 and 30 days respectively. P and R together work for 2 days. Then Q takes over the job and works for 3days. S and T share the remaining work equally and first S completed his work and then T completed his work. In how many days is the job completed?
  • 8
  • 14
  • 10
  • 12
  • None of the above

Answer: A

  1. P, Q and R are three pipes which can fill a tank in 6, 8 and 10 hours respectively. All the three are opened but P works at 1/3 rd its normal rate for the first 3 hours and Q works for ¼ th its normal rate for the first 2 hours. In how many hours is the tank filled?
  • 3(12/94) hours
  • 1(19/94) hours
  • 3 (83/94) hours
  • 1(42/94) hours
  • None of the above

Answer: C

  1. P, Q, R and S working together produce a total of 200 books. In producing books, P is thrice as efficient as Q but 75% less efficient than R. R is half as efficient as S produces. How many books did Q produce?
  • 5
  • 15
  • 10
  • 20
  • None of the above

Answer: A

  1. Four small pumps and two large pumps are filling a tank. Each of the four small pumps work at 3/4th the rate of each of the two large pumps. If all 6 pumps work at the same time, they should fill the tank in what fraction of the time that it would have taken for a single large pump alone?
  • 1/12
  • 1/5
  • 1/3
  • ¼
  • None of the above

Answer: B

  1. Tap B takes thrice the time taken by tap A to fill a tank. It takes 12 hours to fill the tank if the two taps are working and are opened simultaneously. How much time does it take to fill the tank, if tap B alone is open?
  • 60 hours
  • 36
  • 48
  • 64
  • None of the above

Answer: C

  1. In a tank there are two taps which can fill the tank in 6 hours and 12 hours. At the time when the tank should have been full it was observed that the tank is only 3/4 th full due to a crack at the bottom. In how much time the crack could have emptied the tank?
  • 10
  • 12
  • 16
  • 20
  • None of the above

Answer: C

  1. A can complete a piece of work x, in 10 days, B can complete the same work in 20 days and C can complete the same work in 25 days. If they take 40 days to complete the work y, then in how many days C alone can complete the work y?
  • 65
  • 76
  • 95
  • 190
  • None of the above

Answer: D

  1. Three machines P, Q and R can do a piece of work in 7,9 and 10 days respectively. Due to a problem in P and Q, they are working only at 70% and 90% of their efficiencies respectively. In how many days P, Q and R together can do the work?
  • 1(2/3)
  • 2(1/3)
  • 2(2/3)
  • 3(1/3)
  • None of the above

Answer: D

  1. If P, Q and R earned Rs. 295 working together on a job, which each can do in 5,6 and 8 days respectively, what is the share of R?
  • 150
  • 120
  • 100
  • 75
  • None of the above

Answer: D

  1. A house can be painted by 7 men and 2 women in 8 days, if they work for 12 hours a day. Working at the same rate, 6 men and 20 women can do the same job in 4 days. IN how many hours can 8 men and 8 women paint the house?
  • 12
  • 16
  • 32
  • 64
  • None of the above

Answer: D