Correct option is B
Given,
'TWENTY' is written as 863985
'ELEVEN' is written as 323039
From above the –
T → 8 (two times common digit)
W → 6 (second letter - second digit)
E → 3 (same method as above)
L → 2 (same method)
V → 0 (same method)
Thus, the code of 'TWELVE' be 863203.