A is B\'s sister. C is B\'s mother. D is C\'s father. How is A related to D?

In a family of 8 members, A and B are married couple. A is male. C is the son of D, who is the brother of E. E is the daughter of F, who is the mother of G. G is the sister of A. How is C related to B?

In a code, if FISH = 28, BIRD = 25, then BEAR = ?

Complete analogy: Horse is to Colt as Dog is to ?

Five people P, Q, R, S, T sit in a row. P sits at the left end. Q sits next to P. R does not sit next to Q. S sits between R and T. T does not sit next to Q. Who sits in the middle?

What comes next: A, C, F, J, O, ?