Question

Solve the following question and mark the best possible option.
M, N, O & P are all distinct individuals. M is the daughter of N. N is the son of O and O is the father of P. If B is the son of N and B has one brother, D, then which of the following statements is/are true?

1. M is the sister of D.
2. D and B are brothers.
3. O is the grandfather of D.

Options

• I only

• I and III only

• III only

• All these

Answer 1

+ 
O
+ 
N        P
-         +      +
M        B      D
Hence all the given statements are true.