The average of 6 numbers is 7 The average of three…

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The average of 6 numbers is 7. The average of three numbers of them is 5. What will be the average of remaining numbers?

  1. A. 15
  2. B. 30
  3. C. 9
  4. D. 42

Answer: Option C

Here is complete explanation of The average of 6 numbers is 7 The average of three….

Solution(By ExamCraze Team)

Average of 6 numbers = 7
Sum of 6 numbers = 6 × 7 = 42
Average of three numbers = 5
Sum of three numbers = 5 × 3 = 15
∴ Sum of the remaining three numbers
= 42 - 15 = 27
∴ Required average
= $$frac{27}{3}$$
= 9

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