Verbal Reasoning - Mental Ability Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
72 x 9 - 14 + 2 = ?

From the given alternative words, select the word which cannot be formed using the letters of the given word:

DHARAMSALA

If '+' stands for '÷', '­' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands for subtraction, then which of the following alternatives is correct?

Priya, Juhi, Amit, Nitin and Ram are five friends studying in the same class. Juhi scores higher marks than Ram but lesser than Priya. Nitin scores the highest and Ram scores the lowest marks. If Amit secures second rank out of the five, who stands at the third position?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Representation

From the given alternative words, select the word which cannot be formed using the letter of the given word.

IMPRACTICABLE

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

RS, WX, BC, ?

Select the missing number from the given alternatives?