Time & work problems 3

Time & work problems 3 (with easy way of solving )

Q 1) A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days.in how many days A can do the work alone ?

Q 2) A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work.In how many days The whole work was completed ?

Q 3) A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work ?

Q 4) A works thrice as fast as B. If B can complete a work in 12 days independently, in how many days A and B can together finish the work ?

Q 5) Twenty four women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?

Time taken : (HH : MM :SS)

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