JEE Main 25 June 2022 Shift 2 Solved Paper

Water is being filled at the rate of 1cm3∕sec in a right circular conical vessel (vertex downwards) of height 35‌cm and diameter 14‌cm. When the height of the water level is 10‌cm, the rate (in cm2∕sec ) at which the wet conical surface area of the vessel increases is