Verbal Reasoning - Mental Ability Questions

Determine the value of ? $$\begin{gathered} 1-121-131-14.........1-1n-? \\ \end{gathered}$$

If ETHANOL is coded as HWKDQRO, then how will MIX be coded as?

A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was

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

8 - 14 + 7 x 10 ÷ 9 = ?

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

ML, HG, CB, ?

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

VW, XU, ZS, BQ, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 5, 30, 210, 1680, ?

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