Solution:Logic: 2nd letter is opposite of the 1st letter and is 2nd letter + 3 → 3rd letterIn PKN → P→opposite→K, and K + 3 = N
In EUY → E→not opposite→U, and U + 3 ≠ Y
In DWZ → D→opposite→W, and W + 3 = Z
In JQT → J→ opposite →Q, and Q + 3 = T
Hence, EUY is the odd one.