Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
LOQ, SVX, ZCE, ?

What will come in place of the question mark (?) in the following number series?11, 19, 40, 87, 173, ?

If MARBLES is coded as PDUEOHV, then how will GIN be coded as?

Find the missing number?

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis.

8x7x6=765
5x3x2=421
9x6x4= ?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

14 notebooks of a class were corrected with ink pen while 22 notebooks were corrected with colour pencil. If 4 notebooks were corrected with both, what is the strength of class?

In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?