1.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?
 A. 4 days
 B. 6 days
 C. 9 days
 D. 18 days
 
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2.A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in:
 A. 5 days
 B. 5 1/3 days
 C. 8 days
 D. 10 days
 
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3.If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be:
 A. 4 days
 B. 5 days
 C. 6 days
 D. 7 days
 
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4.A can do a work in 15 days and B in 20 days. If they together work on it for 4 days, then the fraction of the work that is left is:
 A. 8/15
 B. 7/15
 C. 1/4
 D. 1/10
 
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5.A does half as much work as B in one sixth of the time. If together they take 10 days to complete a work, how much time shall B take to do it alone?
 A. 30 days
 B. 40 days
 C. 50 days
 D. 60 days
 
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6.If 72 men can build a wall of 280m length in 21 days, how many men could take 18 days to build a similar type of wall of length 100 m?
 A. 10
 B. 18
 C. 28
 D. 30
 
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7.Suman can do a work in 3 days. Sumati can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Suman?
 A. Rs. 30
 B. Rs. 60
 C. Rs. 70
 D. Rs. 75
 
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8.A can do a piece of work in 60 days. He works for 15 days and then B alone finishes the remaining work in 30 days. The two together can finish the work in:
 A. 24 days
 B. 25 days
 C. 30 days
 D. 32 days
 
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