Time taken to fill the sump — task. Assessments, Math TN.

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\(6\) pumps are required to fill a water sump in \(1\) hour \(30\) minutes. The time taken to fill the sump if one pump is switched off is ___________

\(1 \ hr \ 38 \ min\)
\(1 \ hr \ 48 \ min\)
\(1 \ hr \ 30 \ min\)
\(1 \ hr \ 25 \ min\)

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2. Time taken to fill the sump

Exercise condition: