Question

The sum of three consecutive odd numbers is always divisible by ______.

• A. 3
• B. 9
• C. 15
• D. 21

Answer 1

Answer:

A. 3

three consecutive odd numbers are x – 2, x and x + 2 Sum of three consecutive odd numbers, x – 2 + x + x + 2 = 3x Sum of three consecutive odd numbers is always divisible by 3.