A can do a piece of work in 10 days , B in 12 days and C in 15 days . All begin together but A leaves the work after 2 days and B leaves 3 days before the work is finished . How long did the work last ?
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A works for 2days.
B works for 3days.
C works for 15days.
therefore the work lasted for=2+3+15
=20days
Hope it helps u....
B works for 3days.
C works for 15days.
therefore the work lasted for=2+3+15
=20days
Hope it helps u....
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