SSC Stenographer 2025 PYQ — Question 100

Check pattern of digits:

231 → uses 1, 2, 3

123 → uses 1, 2, 3

312 → uses 1, 2, 3

124 → uses 1, 2, 4

Pattern:

First three numbers contain only digits 1, 2, 3.

Hence, the correct answer is option 4.