Multiple choice

The scores of a student in three tests are 10, 20, and 30. What is the average score?

  1. 1O

  2. 20

  3. 14

  4. 21

  5. 22
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B Correct answer
Explanation

The average is the sum of the scores divided by the number of tests. Thus, (10 + 20 + 30)/3 = 20.

AI explanation

To find the average score, add the three test scores together and divide by the total number of tests. The sum of 10, 20, and 30 is 60. Dividing this sum by 3 gives an average score of 20.

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