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.
KV, LU, MT, ?

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

hello, lower, error, organ, tense, ?

Some books are arranged one above the other. If a book is at 18th position from the top and 5th position from bottom then the total number of books is

Select the related word/letters/number from the given alternatives.
30 : 16 :: 24 : ?

In a certain code language, "SIGHT" is written as "@?*^!" and "ANT" is written as "#&!". How is "NIGHT" written in that code language?

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

T_ST_S_U_T_S

In the following question, select the related letters from the given alternatives.
JQXE : LSZG : : MTNL : ?

If B = 2, K = 11; MAN = 0, SIN = 14, then what is the value of HOT?