Question

The rain water from a roof of 22m x 20m drains into cylindrical vessel having diameter of base 2m and height 3.5 m. If the vessel is just full. Then rain fall in (cm) is.

Answer 1

h
$= \frac{22 \times 1 \times 1 \times 3.5}{22 \times 20} = \frac{350}{20} = 17.5cm$