A tank is normally filled in 12 hrs but takes four hrs longer to fill because of a leak in its bottom.

A tank is normally filled in 12 hrs but takes four hrs longer to fi

1.	A tank is normally filled in 12 hrs but takes four hrs longer to fill because of a leak in its bottom.
A.	31 hrs
B.	36 hrs
C.	44 hrs
D.	48 hrs
Answer» E.

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A tank is normally filled in 12 hrs but takes four hrs longer to fill because of a leak in its bottom.

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