B is the brother of A and C. Dis C's mother.E is B's father. Which of the following statements cannot be definitely true?

Options

A. E is D's husband
B. A is E's son
C. Bis D's son
D. E is A's father

Answer

B

Explanation

A, B and C are siblings i.e children of same parents.
D `rArr` C.s mother. E `rArr`B.s father.
So, D `rArr` mother of A, B and C.
E `rArr` father of A, B and C.
[`therefore`The gender of A. i.e male or female is not given.]
Therefore, statement (b) i.e . A is E.s son. is not definitely true.