 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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