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Multiple choice

The average of 6 quantities is 10 and the average of 4 of them is 8. What is the average of the remaining two?

  1. $17$
  2. $12$
  3. $14$
  4. $16$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sum of 6 quantities = 6 x 10 = 60. Sum of 4 quantities = 4 x 8 = 32. Sum of remaining 2 = 60 - 32 = 28. Their average = 28/2 = 14. Option C is correct.

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