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Q:

The average of nine numbers in M and the average of three of these is P. If the average of remaining numbers is N, then

  • 1
    2M = N + P
  • 2
    3M = 2P +N
  • 3
    M =N + P
  • 4
    3M = 2N +P
  • Show Answer
  • Workspace

Answer : 4. "3M = 2N +P"

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