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Two pipes A and B can frll a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes?

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after 8 mins

18/24 + x/32=1
x/32 = 6/24
x= 32/4 = 8 mins
13 years agoHelpfull: Yes(1) No(0)

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