The circumference of base of cylindrical reservoir is $30 π c m$ and height is $10$ cm. How many litres of water can it hold?

2.1 π

litres

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2.25 π

litres

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225 π

litres

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2250 π

litres

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Solution

The correct option is B $2.25 π$ litres
Circumference $2 π r = 30 π, r = \frac{30 π}{2 π} = 15$

Volume of cylinder $= π r^{2} h$

$= (π \times 10 \times 15 \times 15) {c m}^{3}$

$= 2250 π {c m}^{3}$

$= 2.25 π l$

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The circumference of the base of cylindrical vessel is 132 cm and its height is 25 cm. How many litres of water can it hold? (1000 cm³ = 1l)

Question 1
The circumference of the base of the cylindrical vessel is 132 cm and its height is 25 cm.

How many litres of water can it hold? $(1000 c m^{3} = 1 l) [A s s u m e π = \frac{22}{7}]$

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