One of the important question for the board exam class 10 from
mensuration chapter.This question is from r d sharma class 10 maths.
chapter-16 question number-35 maths r d sharma,mensuration.
In this question we have to find the height of water in the
cylindrical vessel if a rainfall of 1 cm has fallen
Rain water, which falls on a flat rectangular surface of length
6 m and breadth 4 m is transferred into a cylindrical vessel of
internal radius 20 cm .