Verbal Reasoning - Mental Ability Questions

Find the odd word/letters/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

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

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

t_vw_u_w_uvw

Find the missing term in the following question:-

Courtroom : Judge :: Stadium : ___

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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

18 + 2 x 30 ÷ 6 - 4 = ?