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Earn 100

A certain number of people completed a job in 24 days. If there were 2 persons less, the work would have taken 6 more days. How many persons were there initially?

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Important Questions on Arithmetic

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12 men complete a work in 9 days.After they have worked for 6 days,6 more men join them. How many days will they to complete the remaining work ?

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A certain number of men can finish a piece of work in 100 days. If, however, there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally?
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A Zamindar hired a certain number of men to plough his 480 acres of fields. Some of the men did not turn up at the job, and consequently each of those who reported had to plough 20 acres more of the field each than originally planned by the zamindar, assuming equal distribution of labour. How many men were initially appointed and how many abstained from the job?
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Anoop takes 5 h more than Mayank to build a wall. However, Anoop takes 9 h more than Manoj. Anoop and Mayank together can do the same work in the same time as Manoj . How many hours will Anoop take to do it?
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A tank can be filled in by two taps A and B in 3 min. However, due to a leakage at the bottom of the tank, it takes 3.5 min to fill the tank. If tank is full, then how much time will the leakage take to empty the tank?
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A road construction agency takes up the work of making a road 189 km long in 15 months. He  256 engagesmen, but after one-fifth of the time, agency finds that only one-sixth of the work has been completed. How many more men should be now employed to complete the work in time?
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Twelve men or 18 women can do some work in 7 days. In what time, can 4 men and 8 women do the same work?
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A man works for 10 h per day to finish a work in3 days . A boy finishes the same in 5 days working 18 h par day. How many boys are required to do the job in the time taken by one man?