It's your turn.
What are YOUR answers?
I don't understand it..
Is your problem with English?
The tens digit is less than 4. Well, duh.
That means it's among 0,1,2,3
The ones digit is less than 3. Well, duh.
That means it's among 0,1,2
tens digit is more than ones digit.
So, the last two digits are among
10,20,30, 21,31, 32