Question

I skip counted starting at 70. I never said the number 82 even though I counted beyond it. Which of these numbers could I have been counting by? 2, 5, or 10

Answer 1

5 or 10

Explanation:

counting by 2's - 70, 72, 74, 76, 78, 80, 82 82 is here, Incorrect

counting by 5's -70, 75, 80, 85, 90 Never said 82, Correct

counting by 10's - 70, 80, 90- Never said 82, Correct

Answer 2

The answer is 2, because if it was a 5 or a 10, the last digit is a 0 or a 5.