Question

$A$ is the brother of $B,C$ is the brother of $A$. To establish a relationship between $B$ & $C$, which of the following information is required.
I. Sex of $C$.
II. Sex of $B$.

• A. Only I is required
• B. Only II is required
• C. Both I and II are required
• D. Neither required

Answer 1

The correct option is B Only II is required

$A$ is the brother of $B$.$A\to Male$
$C$ is brother of $A$.
$C\to Male$
As we know sex of $A$ and $C$.
Sex of $B$ is required.