Verbal Reasoning - Mental Ability Questions

From the given words, select the word which can be formed using the letters of the given word.
AMPLIFICATION

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

53 ­ 34 = 5334
65 ­ 46 = 6456
75 ­ 24 = ?

In a certain code language, “MUTE” is written as “60” and “TYRE” is written as “69”. How is “HYPE” 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.

HI, MN, RS, ?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
25 + 10 ÷ 240 x 16 = ?

P is the brother of Q. Q is the brother of R. P is the son of S. Based these three statements, much of the following statements cannot be definitely true?

Select the related word/letters/numbers from the given alternatives: DBCE : QOPR :: JLKI : ?

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