Three of the following four letter-clusters are alike in a certain way and one is different. Select the odd one.
Answer & explanation
Correct answer: option 3
1 2 3 4 5 6 7 8 9 10 11 12 13
A B C D E F G H I J K L M
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
Z Y X W V U T S R Q P O N
26 25 24 23 22 21 20 19 18 17 16 15 14
THE LOGIC;
1) GKR,
G(7) + K(11) = R(18)
2) QIZ,
Q(17) + I(9) = Z(26)
3) HNU,
H(8) + N(14) = V(22) not U(21)
4) MKX,
M(13) + K(11) = X(24)
Thus, HNU is the odd one.