Question:

The water from a roof, 9 sq. metres in area, flows down to a cylindrical container of 900 cm² base. To what height will the water rise in cylinder if there is a rainfall of 0.1 mm?

Show Hint

Convert every measurement to the same unit, then use volume equals area times depth.
Updated On: Jul 14, 2026
  • 0.1 cm
  • 0.1 metre
  • 0.11 cm
  • 1 cm
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The Correct Option is D

Solution and Explanation

Roof area = 9 m^2 = 90000 cm^2. Rainfall = 0.1mm = 0.01cm. Volume = 90000x0.01=900 cm^3. Height in cylinder = 900/900 = 1 cm.

Final Answer: 1 cm, option (4).
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