Six numbers are arranged in decreasing order The average of the…

Are you looking for correct answer of Six numbers are arranged in decreasing order The average of the…? Here we have shared detailed answer with explanations.

Six numbers are arranged in decreasing order. The average of the first five numbers is 30 and the average of the last five numbers is 25. The difference of the first and the last numbers is

  1. A. 20
  2. B. 25
  3. C. 5
  4. D. 30

Answer: Option B

Here is complete explanation of Six numbers are arranged in decreasing order The average of the….

Solution(By ExamCraze Team)

Numbers are
x > y > z > p > q > r
According to the question,
Average of first five numbers = 30
Sum of first five numbers
= a + y + z + p + q = 5 × 30 = 150.....(i)
Average of last five numbers
= y + z + p + q + r = 5 × 25 = 125.....(ii)
By equation (i) and (ii)
a - r = 150 - 125 = 25

Leave a Comment