Select the letter-cluster that can replace the question mark (?) in the following series.
TOC, SLX, RIS, QFN, ?
Answer & explanation
Correct answer: option 3
T O C
-1 -3 -5
S L X
-1 -3 -5
R I S
-1 -3 -5
Q F N
-1 -3 -5
P C I
Select the letter-cluster that can replace the question mark (?) in the following series.
TOC, SLX, RIS, QFN, ?
Correct answer: option 3
T O C
-1 -3 -5
S L X
-1 -3 -5
R I S
-1 -3 -5
Q F N
-1 -3 -5
P C I