A started a work and left after 12 days then remaining work is completed by B in 15 days. If A lefts the work 2 days earlier then rest work could have been done by B in 18 days. If A increases his efficiency by 50% and B decreases his efficiency by 25%.find the time taken by both together to complete the work?
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11 days. ..............
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mkrishnan:
superb question
i find a easy way
hai i did this super sum
very lengthy
and also answer is wrong
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