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Calculate the volume of the frustum cone given below with

and : (Use )

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answer is B.

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Detailed Solution

We know that the volume (V) of the frustum of the cone is given by

h→ Height of the frustum
R→ Radius of the bigger circular end the frustum
r→ Radius of the smaller circular end the frustum
π=3.14
h=15cm
R=15cm
Question Image

According to BODMAS rule, we need to solve the brackets first, hence we get Question Image

We have the volume of the frustum of the cone is

So, option 2 is correct.

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