Introducing A man, a woman said. He is the only son of my mother ' s mother. How is the woman related to the man?

Pointing towards Rita, Sushant said I am the only son of her mother's son. How is Rita related to Sushant? 

Pointing to a woman in a photograph a man says she is the mother-in-law of the wife of the father of my only son. How is the woman related to man? 

Pointing to a man in a photograph a woman says. He is the father-in-law of the wife of only paternal grandson of my own father-in-law. How is woman related to man? 

Directions: - Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a ‘strong’ argument and which is a ‘weak’ argument.
Statement:
Are nuclear families better than joint families?
Arguments: 
I. No, joint families ensure security and also reduce the burden of work.
II. Yes, nuclear families ensure greater freedom. 

Directions: - Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a ‘strong’ argument and which is a ‘weak’ argument.
statement: 
Should there be more than one High Courts in each state in India?
Arguments: 
I. No, this will be a sheer wastage of taxpayers' money.
II. Yes, this will help reduce the backlog of cases pending for a very long time. 

Directions: - Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a ‘strong’ argument and which is a ‘weak’ argument.
Statement: 
Should there be concentration of foreign investment in only few states?
Arguments: 
I. No, it is against the policy of overall development of the country.
II. Yes, large number of states lack infrastructure to attract foreign investment 

Directions: - Each question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a ‘strong’ argument and which is a ‘weak’ argument.
Statement:
Should students take part in politics?
Arguments: 
I. Yes, it inculcates in them qualities of leadership.
II. No, they should study and build up their career.