The correct option is B UTVDTU
Given, MINERAL is written as QRSTUVW and SOUND is written as ABCSD.
There isn't any definite coding pattern between the given word and its corresponding word. We have,
M ⟶ Q
I ⟶ R
N ⟶ S
E ⟶ T
R ⟶ U
A ⟶ V
L ⟶ W
S ⟶ A
O ⟶ B
U ⟶ C
N ⟶ S
D ⟶ D
Clearly, the code for the word READER is UTVDTU.
Hence, option (B) is the correct answer.