Verbal Reasoning - Mental Ability Questions

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

63 : 105 : : 48 : ?

Select the related word/letters/numbers from the given alternatives:

15 : 225 : : 12 : ?

In the following question, select the missing number from the given series.

28, 30, 36, 48, ?, 98, 140

Select the related word/letters/numbers from the given alternatives:

DHL : PTX :: BFJ : ?

Select the related number from the given alternatives.

10 : 1000 :: 2 : ?

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

16 ÷ 4 - 50 x 4 + 18 = 26

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

XY : AB : : LM : ?

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

CDE : XWV : : ? : QPO