Multiple choice

The average of 15 consecutive numbers is 18. If each number is divided by 2, then what will be the new average?

  1. 15

  2. 9

  3. 12

  4. 8
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B Correct answer
Explanation

If each number in a set is divided by a constant, the average is also divided by that constant. The new average is 18 / 2 = 9.

AI explanation

When each number in a set is divided by 2, the new average will be half of the original average. The original average of the 15 consecutive numbers is 18. Half of 18 is 9, so the new average is 9.

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