Verbal Reasoning - Mental Ability Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

16 ÷ 6 + 35 x 9 - 15 = 31

In the following question, select the related letter pair from the given alternatives.

EFG : GHI : : ?  :  ?

In the following question, select the related number from the given alternatives.

432 : 234 : : 789 : ?

Choose the related word/letters/number from the given alternatives.

DR:SE :: NC: ?

Select the related word/letters/number from the given alternatives.

School: Study :: Laboratory: ?

In the following question, select the related word pair from the given alternatives.

Gun : Soldier : : ? : ?

Find the missing word for the related pair.

Road : Car :: Sea : ?

Select the alternative that shows a similar relationship as the given pair -

Minimum : Maximum