Directions: These questions are based on the following information.

There are 8 members in a family namely, 10, 11, 21, 22, 31, 42, 41, 9 in which there are two married couples. All members are playing a game in which 4 are impostors. 22 is the daughter-in-law of 41. 42 is the brother of any two impostors. 9, who is an impostor is the sister of 10. 22 is an impostor. 21 is the husband of 41 and 31 is the only son of 41. 11 is the brother of 21 and is an impostor. 10 is an impostor and is the son of 31.