Rama and Hari can together finish a piece of work in 15 day. Rama works twice as fast as Hari, then Hari alone can finish work in :

Rama and Hari can together finish a piece of work in 15 day. Rama work

1.	Rama and Hari can together finish a piece of work in 15 day. Rama works twice as fast as Hari, then Hari alone can finish work in :
A.	45 days
B.	30 days
C.	25 days
D.	20 days
Answer» B. 30 days

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Rama and Hari can together finish a piece of work in 15 day. Rama works twice as fast as Hari, then Hari alone can finish work in :

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