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 3
U →(-1)→T→(-1)→S
O →(-1)→N→(-1)→M
G →(+1)→H→(+1)→I (ODD)
W →(-1)→V→(-1)→U