homestay management

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Average Questions

  • Numerical Ability - Average
Question

The average of six numbers is X and the average of three of these is Y. If the average of the remaining three is z, then

  • A) x = y + z
  • B) 2x= y + z
  • C) x = 2y + 2z
  • D) Data inadequate
  • E) None of these
Solution
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