Verbal Reasoning - Mental Ability Questions

Identify the diagram that best represents the relationship among the given classes.

Urban people, Educated, Hard-working

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

57, 54, 48, 39, ?, 12

Introducing a man to her husband, a woman said, This brother's father is the only son of my grandfather." How is the woman related to his man ? 

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

Editor : Newspaper : : ? : ?

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

147, 149, 152, 156, 161, ?

Arrange the following words as per order in the dictionary.

1.Launch 2. Laugh 3. Lattice 4. Latent 5. Latitude

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

18 : 30 : : 36 : ?

A race always  has______