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A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled with soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients?

`["Assume "pi=22/7]`

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#### Solution

Radius (*r*) of cylindrical bowl = (7/2)cm = 3.5cm

Height (*h*) of bowl, up to which bowl is filled with soup = 4 cm

Volume of soup in 1 bowl = π*r*^{2}*h*

`=(22/7xx(3.5)^2xx4)cm^3`

= (11 × 3.5 × 4) cm^{3}

= 154 cm^{3}

Volume of soup given to 250 patients = (250 × 154) cm^{3}

= 38500 cm^{3}

= 38.5 litres.

Concept: Volume of a Cylinder

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