Answer:
0.111111....... < 0.125
Explanation:
Since, a number defined by,
A = {
 : n∈ N} lies between 0 and 1,
That is,
 ∈ A,
 ∈ A,
Also, in the number line the numbers are arranged in increasing order from left to right,
∵ 
 is right to 
 in the number line,


Note : We take 
 because a fraction having numerator 1 and denominator 'multiple of 3' is always non terminating.