Meena needs to serve mango juice to her guests in cylindrical tumblers of r

Question

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

Options:

A . 35 L

B . 42.5 L

C . 38.5 L

D . 50 L

Answer: Option C
:
C
We know that,

V o l u m e o f a c y l i n d r i c a l c o n t a i n e r

π

r^{2} h

1000 c m^{3} = 1 L

Hence, the volume of each cylindrical tumbler

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

= 1540 c m^{3}

So, the total volume of juice required

= 1540 \times 25

= 38500 {c m}^{3}

= 38.5 L

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