Question Bank
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1. Two pipes $A$ and $B$ can fill a tank in $36$ hours and $45$ hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?
2. A contractor undertook to do a piece of work in 40 days. He engaged 100 men at the beginning and 100 more after 35 days and completed the work in stipulated time. If he had not engaged the additional men, how many days behind schedule would the work have been finished?
3. Arun can do a piece of work in 10 days; Ramesh in 15 days. They work together for 5 days. The rest of the work was finished by Naresh in 2 days. If they get ₹1,500 for the whole work, the daily wages of Ramesh and Naresh are: