Ram and shyam working together can finish a work in 12 days. If ram alone can do the same in 20 days, then in how many days, shyam alone can complete the work ?
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shyam alone can do work in 8 days
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ram &Shyam can do the work in a day=1/12
== 1/20+X=1/12
=X =1/12-1/20=5/60-3/60=2/60=1/30
Shyam can do the in 30 days
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