Answer:
808, 818, 909, 919
Explanation:
Digits greater than 7 are 8 and 9.
Digits less than 2 are 0 and 1.
There are four (4) possible combinations of these digits: 80, 81, 90, 91. Since your numbers end the same way they start, there are 4 possibilities:
808, 818, 909, 919