Directions: Study the information and answer the question given below. In a family of 8 members A, B, C, D, E, F, G and H, B is younger than her siblings and has not married yet. F is elder than his wife who is the sister of B. D is 7 years younger than his sister C who is 25 years old but 1 year elder than his wife who is daughter-in-law of A. H and G are the grandchildren of A. If D has two siblings then what is the age of sister in law of B?