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Question 1/30
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3x3/5 minutes
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A tyre has punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat?
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Question 2/30
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40
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4 men and 6 women finish a job in 8 days, while 3 men and 7 women finish it in 10 days. In how many days will 10 women working together finish it ?
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Question 3/30
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40
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A certain number of men complete a piece of work in 60 days. If there were 8 men more, the work could be finished in 10 days less. How many men were originally there ?
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Question 4/30
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approximately 6.4 days
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A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together ?
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Question 5/30
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10 days
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A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in?
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Question 6/30
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8 days
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A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively, working alone. How soon can the work be done if A is assisted by B and C on alternate days?
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Question 7/30
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371(1/2)
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A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?
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Question 8/30
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60 days
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A and B together can do a piece of work in 30 days. A having worked for 16 days B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone ?
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Question 9/30
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30 days
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A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it ?
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Question 10/30
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18
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A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?
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Question 11/30
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Directions For Questions
7x1/2 days
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A man can do a piece of work in 5 days, but with the help pf his son, he
can do it in 3 days. In what time can the son do it alone?
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Question 12/30
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7
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10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
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Question 13/30
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9x3/5 days
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Between two given stations A can lay railway track in 16 days and B can do the same job With the help of C in 12 days, they did the job in 4 days only. Then, C alone can do the job in ?
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Question 14/30
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Directions For Questions
22 1/2
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A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
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Question 15/30
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Directions For Questions
40
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A and B can separately do a piece of work in 20 and 15 days respectively. they worked to together for 6 days, after whch B was replaced by C. If the work was finished in next 4 days, then the number of days in which C alone could do the work will be ?
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Question 16/30
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Directions For Questions
60 days
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A and B together can do a piece of work in 30 days.A having worked for 16 days, B finishes the remaining work in 44 days. In how many days shall B finish the whole work alone?
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Question 17/30
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13 days
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A is 30 % more efficient than B. How much time will they working together, take to complete a job which A alone could have done in 23 days ?
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Question 18/30
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15 days
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A is thrice as good a workman as B and takes 10 days less to do a piece
of work than B takes. B alone can do the whole work in ?
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Question 19/30
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9 days
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If 10 men or 18 boys can do a piece of work in 15 days, then 25 men and 15 boys together will do twice the work in ?
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Question 20/30
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12 days
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A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in ?
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Question 21/30
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1/6
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A can finish a work in 18 days and B can do same work in half the time taken by A. then working together, what part of same work they can finish in a day?
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Question 22/30
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Rs 36, Rs 81 and Rs 243
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Anil does a work in 90 days, Bittu in 40 days and Chintu in 12 days. They work one after another for a day each, starting with Anil followed by Bittu and then by Chintu. If the total wages received are Rs 360 and Anil, Bittu, Chintu share them in the ratio of the work done, find their respective individual wages?
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Question 23/30
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6 days
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A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work ?
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Question 24/30
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6 days
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A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days, can do the work alone in ?
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Question 25/30
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84 days
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A and B together can complete a piece of work in 35 days while A alone
can complete the same work in 60 days. B alone will be able to complete ?
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Question 26/30
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120 days
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A and B can do a piece of work in 72 days ; B and C can do it in 120 days ; A anc C do it in 90. In what time can A alone do it ?
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Question 27/30
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9
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12 men can complete a work in 18 days. Six days after they started
working, 4 men joined them. How many days will of them take to finish the remaining work ?
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Question 28/30
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22(1/2) days
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A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in?
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Question 29/30
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2
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A father can do. a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, how many hours does it take the father to do the job ?
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Question 30/30
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120 days
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A and B can do a piece of work in 72 days, B