Ram can do work 15 days,rahim is 50 % more efficient than ram,rahim can do work how much days
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Ram can do whole work in 15 days
Let Rahim can do the work in Χ days
As Rahim is 50% more efficient than Ram, then he can do the work more faster than Ram.
Let total work be 1 part.
∴ Ram's 1 day work = 1/15 part
∴ Rahim's 1 day work = 1/15 +(1/15 × 50)100
= 1/15 + 1/30
= 1/10 part
∴ Rahim's can do 1 part work in 1÷1÷10 days.
= ( 1× 10 )÷1
= 10 days.
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