IBPS Clerk Prelims Model Paper 11

B ⇒ brother of D.
D ⇒ sister of E.
E ⇒ brother of F.
The Blood relationship tree/chart can be constructed as given below:
B(+) → D(–) → E(+) → F(?)
Therefore, ‘F’ is either brother or sister of ‘B’.
[Note: ‘+’ ⇒ Male; ‘–’ ⇒ Female].