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Question

If C1 is a right circular cone with base radius r1cm and height h1cm and C2 is a right circular cylinder with base radius r2cm and height h2cm; and if r1:r2=1:n (where n is a positive integer) and their volumes are equal, then which one of the following is correct?
  1. h1=3nh2
  2. h1=3n2h2
  3. h1=3h2
  4. h1=n2h2

A
h1=3h2
B
h1=3n2h2
C
h1=3nh2
D
h1=n2h2
Solution
Verified by Toppr

C1=π3r21h1
C2=πr22h2
C1=C2r21h1=3r21h2
h1=3n2h2

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