Two boys can cut trees in a farm in 10 hours and 9 hours respectively. But if they work together and leave 10 trees every hour, they cut all the trees in 5 hours. Find the number of trees in the farm?
Ayush has two candles of the same height, candle A and candle B, which can burn completely for 4 hours and 6 hours respectively. Once when there was no power supply, Ayush lit both the candles simultaneously. Find the time after which the ratio of their height will be 2:3.
A can do a certain work in same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in how many days?
A frog climbs a well of height 60 m. It climbs 5 m above in a day and falls 4 m at the end of the day. In how many days will the frog climb the wall?
If one lion can eat one buffalo in one day, then how many buffalos can eight lions eat in eight days?
A and B take the contract of tiling a floor for Rs 600. B can tile the floor alone in 8 days and A alone can tile it in 6 days. They required to finish the tiling in 3 days so they hired another labor C. Find the share of the amount that should be given to C.
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?
Rashmi and Pallavi can make a carpet in 3 days and 12 days more than the time it will take if both of them worked together. Find the time in which Rashmi can make the carpet?
Three men can complete construction of building in 6 months. Two months after the start of work, three more men joined them. How many more months will they take to complete the construction of work?
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?
Arpit can do the data entry of a book in 9 days and Shefali takes twice the time taken by Arpit. Then, what part of the work can they complete in a day, if they work together?
If 3 units of Machine A or 4 units of Machine B can finish a consignment in 43 days, how long will it take 7 units of machine A and 5 units of Machine B take to finish it working together?
If a certain number of road rollers can build a road in 50 days. If there will be 8 less road rollers, it will take 10 more days. How many road rollers were there initially?
