Multiple choice

The average of 70 numbers is 32. If each number is increased by 3, then the new average will become

  1. 31

  2. 33

  3. 35

  4. 37

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

When every number in a set is increased by a constant k, the average also increases by k. 32 + 3 = 35.

AI explanation

By the property of averages, if each element in a set is increased by a constant number, the overall average increases by that same number. The original average of the 70 numbers is 32. Since each number is increased by 3, the new average becomes 32 + 3 = 35.