Directions: These questions are based on the following information

There is a family of 10 members K, L, M, N, O, P, Q, R, S and Z. In that family, there are 3 generations having 3 married couples among them. R is son in law of K who is mother in law of P. L has 1 son and 2 daughters. S is father of P. P and O are married couples. N is unmarried and he is brother in law of P. Q is paternal grandmother of Z who is child of M. L is married to K. O’s sister M has only 1 brother, N.