Question

Kristen skip counted, beginning at 55. She never said the number 82 even though she counted beyond it. Which of these numbers could she have been counting by! 5 or. 10 ?

Answer 1

Couldn't she have never said 82 whether she was counting by 5 or 10? 
If counting by 5, it would go 55, 60, 65, 70, 75, 80, 85, 90
If counting by 10, it would go 55, 65, 75, 85,95