A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one per…

Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 20hr. If all pipes are opened…

P can complete $$\frac{1}{4}$$ of a work in 10 days, Q can complete 40% of the same work in 145 days. R, complete $$\fr…

A can finish a piece of work in 18 days and B can do the same work in half of the time taken by A. Then working together…

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that …

12 monkeys can eat 12 bananas in 12 minutes. In how many minutes can 4 monkeys eat 4 bananas ?

A can do a certain work in 12 days. B is 60% more efficient then A. How many days will B and A together take to do the s…

A contractor undertook to finish a work in 92 days and employed 110 men. After 48 days, he found that he had already don…