Prakash alone can complete a job in 12 hours, Jayant alone can complete the same job in 6 hours. How many hours will they take together to complete the job?

Prakash alone can complete a job in 12 hours, Jayant alone can comp

1.	Prakash alone can complete a job in 12 hours, Jayant alone can complete the same job in 6 hours. How many hours will they take together to complete the job?
A.	1 hour
B.	2 hours
C.	3 hours
D.	4 hours
Answer» E.

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Prakash alone can complete a job in 12 hours, Jayant alone can complete the same job in 6 hours. How many hours will they take together to complete the job?

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