Verbal Reasoning - Mental Ability Questions

A points to B and says to a lady C "His mother is the only daughter of your father". If so, how is C related to B?

If 23 x 16 = 184, 37 x 10 = 185, then 85 x 12 = ?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

50 + 5 - 700 x 28 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

200, 100, 50, 25, 12.5, 6.25, ?

Select the related letters from the given alternatives.
WUV : TRS :: QOP : ?

Choose the best suitable Venn diagram for the following words: transport vehicle, truck, van

In the following question, select the related word from the given alternatives.
Goiter : Iodine : : Anemia : ?

In the following question, select the related word pair from the given alternatives.
Canada : Ottawa : : ? : ?