A cylindrical vessel filled upto a height at the bottom of the vessel. Area of hole is $\bigg(\large\frac{1}{100}\bigg)$ that of the area of vessel is maintained at 2 m . What is the time required to empty water equal to volume of water initially present in the vessel.

Question

\[\begin {array} {1 1} (a)\;54\;seconds \\ (b)\;90\;seconds \\ (c)\;32 \;seconds \\ (d)\;15\;seconds \end {array}\]