$200\, g$ of a solid ball at $20\,^oC$ is dropped in an equal amount of water at $80\,^oC$ . The resulting temperature is $60\,^oC$ . This means that specific heat of solid is

  • A

    One fourth of water

  • B

    One half of water

  • C

    Twice of water

  • D

    Four times of water

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