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#
Question:

The sum of 7 numbers is greater than 140 and less than 210. Which of the following could be the average (arithmetic mean) of the numbers?

A
26

Explaination

The formula for the average of a set of numbers is the sum of the numbers divided by the number of terms.

Avg = 140 ÷ 7

Avg = 20

Avg = 210 ÷ 7

Avg = 30

Therefore, the average must be between 20 and 30.