pipe A can empty a filled tank in 28 hours while pipe B can fill the same tank when empty in 35 hours . If alternative pipes A and B are turned on for an hour each time . starting when the tank is full . How long it will take to empty the tank
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I'm trying to get up early in the morning and I will be
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hiiamnew:
it takes one minute
Bye
Gand mar apni
ok wait i will tell
Tell know
Ok bye
Let it be
Do with your mother
Ok fine
u can fuk ur mother
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