Civil Service Exam Reviewer · Averages · hard

After 7 exams, Ivan's average is 73. What score on the next exam would raise the average to exactly 74?

  1. 74
  2. 80
  3. 75
  4. 81

Answer

D. 81

Solution

New total = 8 × 74 = 592; current total = 511. Needed = 81.

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