Question 1084940
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If "two identical taps fill 2/5 of a tank in 20 minutes", it means that one tap fills 1/5 of the tank volume in 20 minutes.


So, it will take 3 times 20 minutes to fill the rest {{{3/5}}} of the tank volume if only one tap works to fill this {{{3/5}}} part of the tank volume.


<U>Answer</U>. The time required which is under the question is 1 hour.
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