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.

HIG, EFD, BCA, ?, VWU

In each question below are three statements followed by two conclusions numbered I and II. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts.
Statements:
All numbers are digits.
All alphabets are numbers.
All words are alphabets.
Conclusions:
I. All words are digits.
II. Some numbers are not words.

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, ?

Riya travels 5 km in the east direction, takes a right turn and travels another 8 km. Next, she turns left to travel 4 km and then takes another left turn to travel 8 km more. Finally, she turns towards the east and travels 5 km. How far is she now from her original position?

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

If 'A' stands for '+' , 'B' stands for '-' , 'C' stands for 'x' , what is the value of (10C4)A(4C4)B6 = ?

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

RP, DM, SQ, CL, TR, ?

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