Verbal Reasoning - Mental Ability Questions

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

3 - 10 + 40 x 80 ÷ 6 = ?

Arrange the given words in the sequence in which they occur in the dictionary.
i.Accuse
ii. Accustom
iii. Accumulation
iv. Accompany

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Telepathy

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

Nitrogen fixation, Ammonification, Nitrification, ?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Headstrong

Rearrange the jumbled letters to make meaningful words and then select the one which is different.

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

CL,HQ,MV,?

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

5, 10, 30, 120, ?