A water reservoir has two inlets an one outlet through the inlet it can be filled in 3 hour and 3 hour 45 minutes respectively it can be emptied completely in 1 hours by the outlet if the two inlets are opened at 1 pm and 2 pm respectively and the outlet at 3 pm then it will be emptied at ?
(a) 05:55 pm
(b) 05:00 pm
(c) 05:20 pm
(d) 05:30 pm
(e) none of these
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Answer:
Option (a)
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