Verbal Reasoning - Mental Ability Questions

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

Bulb : Electricity : : ? : ?

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

Sukhoi : Russia : : Tejas : ?

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

16 ÷ 6 + 35 x 9 - 15 = 31

If Ammonia : Gas then Camphor : ?

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

5243 : 14 : : 4312 : ?

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

Wine : Grapes : : ? : ?

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

11 : 1210 : : 10 : ?

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

553 : 551 : : 447 : ?