Pipes A and B can fill an empty tank, in 10 hours and 15 hours respectively. If both are opened toge
Автор: cbsemathsbyanurag
Загружено: 2024-12-03
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Описание: Pipes A and B can fill an empty tank, in 10 hours and 15 hours respectively. If both are opened together in the empty tank, how much time will they take to fill it completely?
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