An air conditioner can coo the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ? | Examsbook

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An air conditioner can coo the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ?

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Ashu administrators Reply Quote

Answer : 3 22 minutes Explanation : Answer: C) 22 minutes Explanation: Let the two conditioners be A and B

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