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ASIM DEBNATH

· started a discussion

· 1 Months ago

abcd (Question: 388233.0 )

any short process

Question:

The height of a right circular cone and the radius of its circular base are respectively 9 cm and 3 cm. The cone is cut by a plane parallel to its base so as to divide it into two parts. The volume of the frustum {i.e., the lower part) of the cone is 44 cu cm. The radius of the upper circular surface of the frustum (taking π = 22/7) is –

Options:
A)

123    cm

B)

133    cm

C)

63    cm

D)

203    cm

Solution:

Ans: (b)

  

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