Posted by **rajshekhar** on Monday, February 1, 2010 at 6:05am.

A rectangular sheet of metal, of area 440 sq.cm is folded into a cylinder, to enclose a volume of 1540 cu.cm. A circle whose diameter is equal to the width of the rectangular sheet is cut from the sheet. Find the ratio of the area of the uncut region to the area of the cut region?

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