Time and work

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Time and Work Problems

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Important Questions

women and men can together finish an embroidery work in days, while women and men can finish it in days. Find the time taken by woman as well as man to finish the work if each of them works alone.

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A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C they completed the work in 3 days. How much is to be paid to C?

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There are two taps to fill a tank and a third to empty it. When the third tap is closed, they can fill the tank in minutes and minutes respectively. If all the three taps are opened, the tank is filled in minutes. If the first two taps are closed, in what time can the third tap empty the tank when it is full ?

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can do a piece of work in 25 days and in 20 days. They work together for 5 days and then goes away. In how many days will finish the remaining work?

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If 15 workers can build a wall in 48 hours, how many workers will be required to do the same work in 30 hours?

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Two pipes A and B can fill a water tank in 20 minutes and 24 minutes, respectively, and the third pipe C can empty at the rate of 3 gallons per minute. If A, B and C opened together, fill the tank in 15 minutes the capacity (in gallons) of the tank is

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If men and boys can finish a piece of work in days while men and boys can finish it in days. Find the time taken by one man alone and that by one boy alone to finish the work.

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and can do a piece of work in 30 days. While and can do the same work in 24 days and and in 20 days. They all work together for 10 days before and leave. How many days more will take to finish the work?

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A man covered a certain distance at some speed had he moved 3 km/hr faster he would have taken 40 minutes less If he had moved 2 km/hr slower he would have taken 40 minutes more The distance ( in km) is

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Three pipes A, B and C can fill a tank in hours. After working at it together for hours, C is closed and A and B can fill the remaining part in hours. The number of hours taken by C alone to fill the tank is.

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