Meena needs to serve mango juice to her guests in cylindrical tumblers of radius $7 c m$ up to a height $10 c m .$ If she wants to serve $25$ guests, how much juice does she need to prepare?

35 L

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42.5 L

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38.5 L

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50L

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Solution

The correct option is C
38.5 L

Volume of each tumbler $= π$ $r^{2} h$

$= \frac{22}{7} \times 7^{2} \times 10$

$= 1540 c m^{3}$

Total volume of juice required $= 1540 \times 25 = 38500 {c m}^{3} = 38.5$ litres

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Meena needs to serve mango juice to her guests in cylindrical tumblers of radius 7 cm up to a height 10 cm. If she wants to serve 25 guests, how much juice does she need to prepare?

The correct option is C 38.5 L Volume of each tumbler =πr2h =227×72×10 =1540 cm3 Total volume of juice required =1540×25=38500 cm3=38.5 litres

Meena needs to serve mango juice to her guests in cylindrical tumblers of radius $7 c m$ up to a height $10 c m .$ If she wants to serve $25$ guests, how much juice does she need to prepare?

The correct option is C
38.5 L

Volume of each tumbler $= π$ $r^{2} h$

$= \frac{22}{7} \times 7^{2} \times 10$

$= 1540 c m^{3}$

Total volume of juice required $= 1540 \times 25 = 38500 {c m}^{3} = 38.5$ litres