Solution:
Q - P → Q is the mother of P P + R → R is the brother of P Hence, → q is the mother of R R % T → R is the father of T. Hence, Q is the grandmother of T.

Solution:
Only son of women's grandfather---Woman's father; Man's brother's father---Man's father. So, the woman is man's sister.

Solution:
Only daughter of Kamal's mother---Kamal's sister. So, Ravi's mother is Kamal's sister or Kamal is the brother of Ravi's mother i.e., Ravi's maternal uncle.

Solution:
C is A's father's nephew, means C is the son of A's father's brother i.e., C is the cousin of A. D is also A's cousin. So, D must be real brother or sister of C. But D is not brother of C. So, D must be sister of C.

Solution:
Only son of Neena's father-in-law Mahipal---Neena's husband. So, Raman is Neena's husband and Anita and Bindu are his daughters. Thus, Bindu is the grand daughter of Mahipal.

Solution:
Q is the paternal uncle of B, means Q is the brother of P's father. P is the son of Q. So, B's father and P's father are brothers.Also, M is the paternal uncle of P, means M is the brother of P's father. So, M is the father of B. Since A is the wife of M, so A is the mother of B.

Solution:
Only child of Naman's grandmother-----Naman's father/mother Daughter of Naman's father/mother-----Naman's sister.