Verbal Reasoning - Mental Ability Questions

If DECEMBER is coded as EDECBMRE then FEBRUARY will be coded as

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
K, J, L, I, M, ?

In the following question, select the missing number from the given series.
9, 18, 72, 576, ?

If SYSTEM is written as RXRSDL.
How can CORRECT be written in that code?

If CROWNED is coded as APMULCB, then how will TAP be coded as?

If "K" denotes "multiplied by", "M" denotes "subtracted from", "J" denotes "added to" and "L" denotes "divided by", then
44 M 24 K 56 L 14 J 60 = ?

Introducing a girl, a boy says, "She is the daughter of my father's only brother­in­law". How is the girl related to the boy?

If RATION is written as OXQFLK then LUMBER may be written as _____ .