Three of the following four letter clusters are alike in a certain way and one is different. Pick the cluster that is different from the rest.
Answer & explanation
Correct answer: option 2
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) NOS,
N → (+1) → O → (+4) → S
2) GHM,
G → (+1) → H → (+4) → L not M
3) BCG,
B → (+1) → C → (+4) → G
4) JKO,
J → (+1) → K → (+4) → O
Thus, GHM is the odd one.