Four pairs of letter-cluster have been given out of which three are alike in some manner, while one is different. Choose the odd one.
Answer & explanation
Correct answer: option 2
Option 1: C_E_G
Option 2: P_S_U ⇒ P_R_T
Option 3: G_I_K
Option 4: Z_B_D
Therefore, option (2) is correct option.