Answer:
Yes
No
No
Yes
Explanation:
Digits:
The digit in the ones place is the last one.
The digit in the tens place is the second last one.
If they are the same, the digit in the ones place is 1/10 of the digit in the tens place.
So
4,099
Ones digit: 9
Tens digit: 9
So Yes
4,110
Ones digit: 0
Tens digit: 1
No
5,909
Ones digit: 9
Tens digit: 0
No
5,011
Ones digit: 1
Tens digit: 1
Yes