Q: An air conditioner can coo the hall in 40 miutes while another take – McqOptions

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1.	Q: 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 ?
A.	18 minutes
B.	19 minutes
C.	22 minutes
D.	24 minutes
Answer» D. 24 minutes

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