a tank can be filled by one tap in 8hours and by another in 4 hours to fill the tank if both the taps are opened together
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Answer:In 1 hr tank will be filled = 1/5
In 1 hr tank will be emptied = 1/8
If both taps opened then
Tank will be filled in 1 hr = 1/5 -1/8
= 3/40
So tank will be filled in 40/3 hrs.
And 40/3 hrs or 13 hrs.20min.
Step-by-step explanation:
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