Verbal Reasoning - Mental Ability Questions

In a certain code language, "INSTANT" is written as "IOUWESZ". How is "FORGET" written in that code language?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FK27, LQ64, RW125, ?

In a certain code language, "DESIRE" is written as "EGVMWK". How is "RECESS" written in that code language?

Read each part of the sentence to find out if there is any error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. 

A part of Special development fund is(1) / expected to be released(2) /

next month and the provisional(3) / for remaining amount in the new budget(4)

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

5, 30, 155, 780, ?

A series is given,with one term missing. Choose amongst the given responses choose the meaningful one

CUS, DVT, EWU, ____

If 9 $ 4 = 17 and 1 $ 5 = 10, then 3 $ 6 = ?

In a row, pankaj is at 29th position from left and 33rd position from right. How many boys are there in the row?