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  1. If V1, V2 and V3 be the volumes of a right circular cone, a sphere and a right circular cylinder having the same radius and same height, then
    1. V1 =
      V2
      =
      V3
      23
    2. V1
      =
      V2
      = V3
      23
    3. V1
      =
      V2
      = V3
      32
    4. V1
      = V2 =
      V3
      32
    5. None of these
Correct Option: E

Volume of cone = V1 =
1
πr²h
3

Volume of cone = V1 =
1
πr²h
3

Volume of sphere = V2 =
4
πr³
3

Volume of cylinder = V3 = πr²h = πr³
∴ V1 : V2 : V3 =
1
:
1
: 1 = 1 : 4 : 3
33

∴ V1 =
V2
=
V3
43



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