Absolute represented by |x| where x is a number means making the numer positive irrespective of its formal state
1) |-2|<|1|
2< 1
The above statement is false
2) |1|<|0|
1<0
The above statement is also false
3) |-1|<|-2|
1<2
The above statement is true
4) |1| > |-2|
1 > 2
The above statement is false too