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 ?

P and Q can do a work in 4 hours and 12 hours respectively. P starts t

1.	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.	0.125
B.	0.5
C.	0.54166666666667
D.	0.625
Answer» E.

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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 ?

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