Verbal Reasoning - Mental Ability Questions

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

BDGK : ACFJ : : ? : DFIM

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

534 : 645 : : 381 : ?

Select the related letters from the given alternatives.

EGI : BDF :: KMO : ?

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

12:20::30: ?

Find the next number in the given number sequence?

9, 19, 21, 43, 45, ...

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

AOE : ? : : GMA : IUO

All dolls are windows.All bottles are windows.All cars are bottles.

1. All cars are windows

2. some cars are dolls

3. some windows are cars

Which among the above listed are true

If '+' means x, '-' means /, 'x' means + and '/' means -, compute the value of the expression

17 + 6 x 13 / 8