Non-verbal Reasoning questions – Test 006

B, D, G, I, L, ?

A, E, I, O, ?

A, C, F, ?, O

CBA, WVU, IHG, TSR, ?

HI, Jl, KL, ML, NO, ? ?

DC, DE, FE, ??, HG, HI

A, E, I, M, Q, U, ?

If SYSTEM is written as SYSMET and NEARER is written as AENRER, then FRACTION will be coded as

Which is the odd man out ?

The words in the first column are written in a secret code in the second column. However, the secret writings in the second column are not in the same order. What is the code assigned for the letter D ?
BRAIN 13529
DRAIN 35293
RIVER 13754
DRIVE 83754