The average of 12 numbers is 15 and the average of…

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The average of 12 numbers is 15 and the average of the first two is 14. What is the average of the rest?

  1. A. 15
  2. B. $$15\frac{1}{5}$$
  3. C. 14
  4. D. $$14\frac{1}{5}$$

Answer: Option B

Here is complete explanation of The average of 12 numbers is 15 and the average of….

Solution(By ExamCraze Team)

Average of 12 numbers = 15
Total of 12 numbers = 15 × 12 = 180
Average of first two number = 14
Total of first two number = 14 × 2 = 28
Total of remaining ten numbers = 180 - 28 = 152
Required average of remaining ten number
$$eqalign{ & = frac{{152}}{{10}} cr & = frac{{76}}{5} cr & = 15frac{1}{5} cr} $$

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