5. A and B together can complete a piece of work in 15 days. They started
working together but after 11 days, A left. The rest of the work is completed
by B in 12 days. In how many days can A alone do the whole work.
please help and solve full with solutions
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Answer:
iven, A and B can complete a work in 15 days and 10 days respectively.
=> The amount of work done by them together in 1 day = 1/15 + 1/10
= (2+3)/30 = 5/30 = 1/6
Given, they worked together for 2 days.
=> The amount of work done by them together = 2*(1/6) = 1/3
The amount of work to be completed by A alone = 1 - 1/3 = 2/3
The number of days taken by A alone to complete the remaining work = (2/3)/(1/15) = 30/3 = 10
=> The whole work was completed in (2+10) i.e
Step-by-step explanation:
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