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?
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?
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3 days
because a 11 days A left and B is complete work in 12 days so esaily 12 - 11= 3