Question

What is the average of the first 5 multiples of 12?

• A. 60
• B. 36
• C. 48
• D. 50

Answer 1

Answer:

B. 36

The first 5 multiples of 12 are 12, 12 x 2, 12 x 3, 12 x 4, 12 x 5 = 12 (1 + 2 + 3 + 4 + 5) = 12 x 15 The average of the first 5 multiples of 12 = (12 x 15) / 5 = 12 x 3 = 36