Question

Directions (Q.1 & Q.2) :

(i) P + Q means P is the son of Q

(ii) P – Q means P is the wife of Q

(iii) P × Q means P is the brother of Q

(iv) P ÷ Q means P is the mother of Q

(v) P = Q means P is the sister of Q

1 . What does A + C – B mean?

(1) B is the father of A

(2) B is the son of A

(3) B is the uncle of A

(4) B is the brother of A

2. What does A = C + B mean?

(1) A is the aunt of B

(2) A is the daughter of B

(3) A is the niece of B

(4) A is the sister of B

Answer 1

1.

A + C means A is the son of C

C - B means C is the wife of B

⇒ A is the son of B and C

Hence, B is the father of A

2.

A = C means A is the sister of C

C + B means C is the son of B

⇒ A and C are children of B

Hence, A is the daughter of B