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  • The average of 45 numbers is 32. If two numbers 30 and 45...
Multiple choice

The average of 45 numbers is 32. If two numbers 30 and 45 are excluded, then the approximate average of the remaining numbers is

  1. 30.6

  2. 29.7

  3. 31.7

  4. 30.7

  5. 31.6

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Total sum of 43 numbers = (45 × 32) – (30 + 45) = 1440 – 75 = 1365 Average = 1365/43 = 31.7

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