A uniform meter rule QR is balanced on a knife edge which is 55cm from…

A uniform meter rule QR is balanced on a knife edge which is 55cm from R, when a mass of 10g is hung at P as shown above, the mass of the meter rule is
  • A.
    550g
  • B.
    350g
  • C.
    70g
  • D.
    35g
Correct Answer: Option C
Explanation
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