The man sitting at the extreme left is my maternal uncle and the lady having marks on her face is my mother's sister. Hence, the lady having marks on her face is the sister of the man sitting at the extreme left.
Answer: Option 1
Let mother's age be 2x years, Then, son's age = x years
$$\eqalign{
& \therefore \left( {2x - 10} \right) = 3\left( {x - 10} \right) \cr
& \Rightarrow 2x...
Answer: Option 3
Brother of person's wife → brother-in-law of the person. Hence, the son of lady's brother is brother-in-law of the person.
Therefore, the brother of the lady is the...
Answer: Option 4
Wife's brother---Brother-in-law. Son of lady's brother is the brother-in-law of the man. So, lady's brother is man's father-in-law i.e. the lady is the sister of man's father-in-law.
Answer: Option 2
Since, Old man's son is my son's uncle.
My Son's Uncle = My Brother. So, old man's son is my brother. Hence, the old man is my father.