Verbal Reasoning - Mental Ability Questions

If - stands for division, + for multiplication, ÷ for subtraction, x for addition, then which of the following equations is correct?

If 'WZB' stands for 'DAY', how will you code 'MONDAY'?

Select the related word/letters/number from the given alternatives.
34 : 81 : : 23 : ?

Select the related word/letters/number from the given alternatives.
ABDE : FGIJ :: IJLM : ?

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

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

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

0.05, -0.1, ? , -0.4, 0.8

If + means ÷ , ÷ means ­- , ­- means x and x means + , what will be the value of the following expression:

8 + 4 ÷ 3 x 5 ­ 9 = ?