Verbal Reasoning - Mental Ability Questions

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

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

7 - 8 + 20 x 10 ÷ 9 = ?

If the given interchanges namely signs + and / and numbers 2 and 4 are made in signs and numbers, which one of the following would be correct?

Select the missing number from the given options?

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

IM, JO, KQ, LS, ?

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

Commensurate

Select the appropriate combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.

_vww_uuv_wvuu_w

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

L, Q, X, G, R, ?