Correct option is B
In the question we have used the following coding system
M | N | O | P | Q | R | S | T |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
From the following coding system we have :
Rest as 6- ,7 8
In the following option b matches this hypothesis so considering this hypothesis we have code for Rest : 6,19,7,8