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. $$15\frac{1}{5}$$
  2. B. 14
  3. C. $$11\frac{1}{5}$$
  4. D. 15

Answer: Option A

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

Solution(By ExamCraze Team)

Average of twelve number = 15
Sum of twelve number = 15 × 12 = 180
Average of first two number = 14
Sum of first two number = 14 × 2 = 28
Sum of first two + Sum of rest = 180
Sum of rest = 180- 28 = 152
Average of rest = $$frac{152}{10}$$ = $$15frac{1}{5}$$

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