Correct Answer - Option 4 : 010518141519
Consider: A → 01, B → 02, C → 03, D → 04 and so on
Now, 'KERNEL' is coded as '180511120514'
K → 11, E → 05, R → 18, N → 14, E → 05, L → 12
Similarly,
R → 18, E → 05, A → 01, S → 19, O → 15, N → 14
REASON = 010518141519
Hence, the correct answer is 010518141519.