If P + Q means P is the brother of Q; P x Q means P is the father of Q and P – Q means P is the sister of Q, which of the following relations shows that I is the niece of K?

Question: If P + Q means P is the brother of Q; P x Q means P is the father of Q and P – Q means P is the sister of Q, which of the following relations shows that I is the niece of K?
[A].

K + Y + Z – I

[B].

K + Y x I – Z

[C].

Z – I x Y + K

[D].

K x Y + I – Z

Answer: Option B

Explanation:

K + Y → K is the brother of Y

Y x I → Y is the father of I

Hence, → K is the uncle of I

and I – Z → I is the sister of Z

Hence, → I is the niece of K.