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15 men, 18 women, and 12 boys working together earned Rs. 2070. If the daily wages of a man, a woman, and a boy are in the ratio of 4:3:2, the daily wages of 1 man, 2 women, and 3 boys are (in Rs.):

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Important Questions on Time and Work

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A cistern can be filled up in 4 hours by an inlet A. An outlet B can empty the cistern in 8 hours. If both inlets A and B are opened simultaneously, then after how much time will the cistern get filled?
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A pipe can fill a tank in 20 hours. Due to a leak in the bottom, it is filled in 40 hours. If the tank is full, how much time will the leak take to empty it?
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Two pipes A and B can fill a tank in 6 min and 7 min respectively. If they are opened alternatively, then time taken by them to fill the tank is:
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Two pipes A and B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened together, after how much time pipe B should be closed, so that the tank is full in 18 min?
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A is thrice as good a workman as B and therefore is able to finish a job in 30 days less than B. How many days will they take to finish the job working together?
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If A and B together can complete a work in 12 days. B and C together can complete the work in 15 days. C and A can complete the work together in 20 days. Then, B alone can complete the work in:
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Total wages for a work is Rs. 1280. A alone can do this piece of work in 8 days while B alone can do it in 12 days. If A and B work on alternate days, find the share of A (in Rs.).