A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.?
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Question 82Hard
A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?
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Question 83Medium
A is twice as good a workman as B and they took 7 days together to do the work B alone can do it in.?
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Question 84Medium
3 men or 6 women can do a piece of work in 20 days. In how many days will 12 men and 8 women do the same work?
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Question 85Hard
A can do a piece of work in 20 days. B in 15 days A and C in 12 days. In how many days can A finish the work if he is assisted by B on one day and C on the next, alternately?
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Question 86Hard
Two men and three women working 7 hours a day finish a work in 5 days. Four men and four women working 3 hours a day complete the work in 7 days. The number of days in which only 7 men working 4 hours a day will finish the work is?
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Question 87Hard
A and B can do a piece of work in 8 days. B and C can do it in 12 days and A and C in 16 days. Working together they will complete the work in how many days?
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Question 88Hard
A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?
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Question 89Hard
45 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?
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Question 90Medium
5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.90 only. Men’s wages are?