A boy and a girl together fill a cistern with water. The boy pours 4 liters of water every 3 minutes and girl pours 3 li…

A man, a woman and a boy can do a piece of work in 6, 9 and 18 days respectively. How many boys must assist one man and…

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone ca…

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working …

Work done by A in one day is half of the work done by B in one day. Work done by B is half of the work done by C in one …

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and…

15 men can finish a piece of work in 20 days, however it takes 24 women to finish it in 20 days. If 10 men and 8 women u…

A and B working together completed a job in 5 days. If A works twice as efficiently as he actually did and B works $$\fr…