Which letter cluster will replace the question mark (?) to complete the given series?
BLJS, FOLT, ?, NUPV, RXRW
Answer & explanation
Correct answer: option 2
B L J S
+4 +3 +2 +1
F O L T
+4 +3 +2 +1
J R N
+4 +3 +2 +1
N U P V
+4 +3 +2 +1
R X R W
+4 +3 +2 +1