H

Harikesh • 8.04K Points
Tutor III Math

Q. The average score of a cricketer for 10 matches is 43.9 runs. If the average for the first six matches is 53 , the average for the last four matches is ?

  • (A) 17.15
  • (B) 29.75
  • (C) 30.25
  • (D) 31
  • Correct Answer - Option(C)
  • Views: 538
  • Filed under category Math
Explanation by: Harikesh 
Let the average for last 4 matches be y.
Sum of score for 10 matches = sum of score for first 6 matches + sum of score of last 4 matches.
So 53 x 6 + 4y = 10 x 43.9
∴ 4x= 439-318
⇒4x= 121
∴ x= 30.25

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