Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.
49 : 169 : : 66 : ?

Introducing a man, a woman says, "His son's mother is the only daughter of my mother". How is the man related to the woman?

Introducing Reeta, Monica said, "She is the only daughter of my father's only daughter." How is Monica related to Reeta?

If 'WZB' stands for 'DAY', how will you code 'MONDAY'?

In a certain code language, “LINKS” is written as “93210” and “CROMA” is written as “84576”. How is “ROCKS” written in that code language?

If x stands for - , + means x , ÷ means + and - means ÷ , then what is the value of the given expression?

175 - 25 ÷ 5 + 2 x 3 + 10 = ?

Some equations are solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis.

5 x 4 x 3 = 70 ,
6 x 5 x 4 = 140
7 x 6 x 5 = ?

'Car' is related to 'Garage' in the same way as 'Hen' is related to ___.