Four pupils have an average age of 12years and two other pupils of average age…

Mathematics NECO 2004

Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils?

  • 10.5yrs.
  • 11yrs.
  • 11.5 yrs. checkmark
  • 12yrs.
  • 12.5yrs.

The correct answer is: C

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