a pipe fill a tank in 9hours. due to leak it fills in 10 hours if the tank is full in how much time the leak Will empty the tank
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pipe fill the tank in 9 hrs
pipe fill the tank in 1 hr=1/9
leak can empty in 10 hrs
leak can empty in 1 hr=1/10
leak can empty the tank in 1 hr =1/9+1/10
=19/90
leak can empty the tank in90/19=14 4/19
pipe fill the tank in 1 hr=1/9
leak can empty in 10 hrs
leak can empty in 1 hr=1/10
leak can empty the tank in 1 hr =1/9+1/10
=19/90
leak can empty the tank in90/19=14 4/19
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