Verbal Reasoning - Mental Ability Questions

If PQRST : SPTRQ then HIJKL : ?

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

FJSP : DLQR :: GMIL : ?

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

Antique : Old : : Weak : ?

Select the related word from the given alternatives.

Screw : Screw driver :: Nail : ?

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

BIRD : AEROPLANE :: FISH : ?

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

48 : 41 : : ? : ?

Select the related word from the given alternatives.

Tongue : Taste :: Nose : ?

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

5 - 12 + 15 ÷ 50 x 25 = 23