A does 20% less work than B. If A can complete a piece of work in $$7\frac{1}{2}$$ hours, then B can do it in ?

Two pipes can fill an empty tank separately in 24 minutes and 40 minutes respectively and a third pipe can empty 30 gall…

If 10 men or 20 boys can make 260 mats in 20 days, then how many mats will be made by 8 men and 4 boys in 20 days?

Working 5 hours a day, A can Complete a work in 8 days and working 6 hours a day, B can complete the same work in 10 day…

Two typist of varying skills can do a job in 6 minutes if they work together. If the first typist typed alone for 4 minu…

To complete a work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time shal…

If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complet…

Working efficiencies of P and Q for completing a piece of work are in the ratio 3 : 4. The number of days to be taken by…