Q: P and Q can do a work in 4 hours and 12 hours respectively. P start – McqOptions

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1.	Q: P and Q can do a work in 4 hours and 12 hours respectively. P starts the work at 9am and they work alternately for one hour each. When will the work be completed ?
A.	03:00:00
B.	12:00:00
C.	13:00:00
D.	15:00:00
Answer» E.

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