Which letter—cluster will replace the question mark (?) in the following series?
DEY, FFW, IGT, KHR, NIO, ?

Options

A. QJN
B. PJM
C. QJM
D. PJN

Answer

B

Explanation

DEY = 4+5+25 = 34
FFW = 6+6+23 = 35
IGT = 9+7+20 = 36
KHR = 11+8+18 = 37
NIO = 14+9+15 = 38
According to sequence, next term will be
PJM = 16+10+13 = 39