A and B can work together and complete a work in 10 days.A left after 5 days and remaining work is completed in 15 days.How many days A alone will take to complete the work.
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already completed work how can alone can do again
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1/15 part
(a+b)
-a
=1/5-1/20
L .C .M=20
5/20-3/20=5-3/20
2/20=1/30
=30 DAYS
(a+b)
-a
=1/5-1/20
L .C .M=20
5/20-3/20=5-3/20
2/20=1/30
=30 DAYS
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