Which letter-cluster will replace the question mark (?) to complete the given series?
EGJM, GFLN, IENO, ?, MCRQ
Answer & explanation
Correct answer: option 1
E G J M
5 7 10 13
G F L N
7 6 12 14
I E N O
9 5 14 15
+2 -1 +2 +1
= 11 4 16 16
K D P P
M C R Q
13 3 18 17
2 is added to the first letter, 1 is subtracted from the second letter, 2 is added to the third letter and 1 is added to the fourth letter.