Correct Answer - Option 2 : 14222318614
The code is based on the opposite letter's position of the given word.
The code for LIQUID:
Letter
|
L
|
I
|
Q
|
U
|
I
|
D
|
Opposite Letter
|
O
|
R
|
J
|
F
|
R
|
W
|
Position
|
15
|
18
|
10
|
6
|
18
|
23
|
Combining the number, the code becomes 15181061823.
Similarly, The code for MEDIUM:
Letter
|
M
|
E
|
D
|
I
|
U
|
M
|
Opposite Letter
|
N
|
V
|
W
|
R
|
F
|
N
|
Position
|
14
|
22
|
23
|
18
|
6
|
14
|
After combining the number, the code becomes 14222318614.
Hence, MEDIUM is coded as 14222318614.