A Roller Is Made By Joining Together Two Cones At Their Vertices O It Is Kept On Two Rails AB And CD Which Are Placed Symmetrically

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Alexander 83 Days Ago

1 Answers

  • Correct Answer : D

    83 Days Ago

    asked Feb 19 11:56:40 AM

    Mukul Gupta

    Q: 0 A: 7148

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