@RupareliaSudhi 021
the numbers are 0 1 2 3 4 6 7 8
line 4 eliminates 7 3 and 8
line 5 => 0 is one of the numbers
with line 3 => 0 is 1st numbers
lines 1&2 => cannot be 6
leaves only 2 in wrong place
line 3=> 2 is the second number
line 2 => cannot be 4 - 1 is 3rd number
Answer => 021