24 men can complete a piece of work in 16 days. The same work can be completed by 8 women in 72 days. Whereas 24 children take 32 days to complete it. If 10 men, 15 women and 24 children work together, in how many days can the work be completed?
Nine men were hired for proofreading a book in 88 days requiring each of them to work 6 hours day. But three men did not join and the working hours were increased to eight. How many days will it now take to complete the work?
A group of men decided to do a job in 4 days, but 20 men dropped out every day. Find the number of men who initially decided to do the job, if the job was completed in 7 days?
If the bus increases his speed by 3km/hr he will reach his destination 2 hours early. If he decreases his speed by 4km/hr he will take 5 hours extra to reach same destination.Find the distance covered by him to reach his destination.
A cistern that could be filled in 9 hours takes one hour more to be filled owing to a leak in its bottom. If the cistern is full. In how much time will the leak empty it?
A and B can reap a field in 8 days. If they work together with an extra resource C, they can finish it in 6 days. If B and C can reap the together in 12 days, how long would it take A and C to reap the field?
3 pumps working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in one day?
Pipe A, B, C can fill a tank in 12, 15, and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately. The tank will be full in how many hours?
Tap A and B together can fill a cistern in 6 hours. Tap B takes 5 more hours than that of A. Find time taken by A alone to fill the cistern?
A can do a piece of work in 7 days working 9 hours each day and B does the same work in 6 days working 7 hours each day. How long it will take them to complete it, working hours a day.
