Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
BCD : YXW : : FGH : : ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
C A E, F D H, I G K, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

DM, EN, FO, ?

In a certain code language, “TRUCKS” is written as “WPXANQ”. How is “MOPERS” written in that code language?

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

a_ ca_c_dc_d_ad_

If, 4x3=14; 5x4=18; 6x5=22; Then find the value of 7x6=?

Mathur's uncle's daughter's brother is Salmi. How is Sonm related to Mather? 

If A=1, CAT=60, then MAN=?