A factory has three belt conveyors fitted in its loading
station. Conveyors ?A? and ?B? operating simultaneously lift
all the goods in the same time during which the goods can be
lifted by the conveyor ?C? operating alone. Conveyor ?B?
lifts all the goods five hours faster than the conveyor ?C?.
The durations of time required to lift all the goods,
individually by the conveyors ?A?, ?B? and ?C? are
(a) 17, 12, 8 hrs.
(b) 15, 10, 6 hrs.
(c) 16, 11, 7 hrs.
(d) 14, 9, 5 hrs.
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Answer Posted / nicholas
(c) 14, 9, 5
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