Volumes Practice Test 2

Question : 19 of 40

Marks: +1, -0

Rain water which falls on a flat rectangular surface of length 6m and breadth 4m is transferred into a cylindrical vessesl of internal radius 20 cm. What will be the height of water in the cylindrical vessel if a rainfall of 1 cm has fallen?

191 cm
193 cm
195 cm
197 cm

Validate

Solution:

Here,

π.({20}/{100})^2 . h

= 6 × 4 ×

1/{100}

⇒

{22}/7 × 1/{25} × h

6/{25}

∴ h =

{6×7}/{22}

m =

{2100}/{11}

cm = 191 cm

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