Three pipes a, b and c fill a tank in 4,6, and 8 minutes respectively. pipe a is opened and after a minute, pipe b is opened and after another minute pipe c is opened. when will the tank be full?
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a=4
b=6
c=8
you can't say that...THERE IS NO Limit. you not given.
b=6
c=8
you can't say that...THERE IS NO Limit. you not given.
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