Verbal Reasoning - Mental Ability Questions

In the following question, select the related letter/letters from the given alternatives.

CPR : ERT : : DQS : ?

Select the related word/letters/number from the given alternatives.
Ctrl+X : Cut : : Ctrl+C : ?

If 3 % 2 = 50, 2 % 4 = 60 then what is the value of 5 % 4 = ?

If 9*4 = 26, 4*4 = 16 and 3*6 = 18, then find the value of 5*2 = ?

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

Brazil, Russia, ? , China, South Africa

Arrange the given words in the sequence in which they occur in the dictionary.
i. Monopoly
ii. Manifesto
iii. Manifold
iv. Mankind

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

45 x 5 - 24 + 3 ÷ 80 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
CFE, ILK, ORQ, ?