Direction(1-5): Study the following arrangement carefully and answer the questions given below:
A+B means A is the mother of B
A-B means A is the sister of B
A*B means A is the father of B
A÷B means A is the son of B
A=B means A is the brother of B
A≠B means A is the daughter of B.
1. Which of the following means P is the aunt of Q?
A. P – R ÷ Q
B. P + R * Q
C. P ≠ R * Q
D. P – R + Q
E. P * R = Q
2. Which of the following means, S is the son of T’s daughter?
A. T * M + S + N
B. T * M + S = N
C. T + M * S – N
D. S ÷ M ÷ T – N
E. T * M ÷ S ≠ N
3. Which of the following means W is the uncle of Z?
A. W * A – B + Z
B. W = A + B – Z
C. W = A + B + Z
D. W - A + B – Z
E. W * A + B = Z
4. Which of the following means C is the grandfather of D and E?
A. C * A ÷ D – E
B. C+ A + D ≠ E
C. C ÷ A ≠ D = E
D. C * A * D – E
E. C ÷ A * D * E
5. Which of the following means I is the mother of L?
A. I + B – C ≠ D * L
B. I ≠ B + C * L
C. I + B * C ≠ D – L
D. I + B – C * L
E. I * B * C = D = L
Answers and Explanations
1. Answer - Option D
Explanation -
P - R + Q means P is the sister of R, R is the mother of Q. P is the aunt of Q.
2. Answer - Option B
Explanation -
(A) T * M + S + N means T is the father of M and M is the mother of S who is the mother of N. That is S is the daughter of T.
(B) T * M + S = N means T is the father of M, M is the mother of S and S is the brother of N.
Therefore S is the son of T daughter.
3. Answer - Option B
Explanation -
(A) W * A – B + Z means W is the father of A, A is the sister of B and B is the mother of Z. Therefore W is the Grandfather of Z.
(B) W=A + B –Z means W is the brother of A, A is the mother of B and B is the sister of Z.
Therefore W is the Uncle of Z.
4. Answer - Option D
Explanation -
(A) C * A / D – E means C is the father of A, A is the son of D and D is the sister of E.
(B) C + A + D ≠ E means C is the mother of A, A is the mother of D and D is the daughter of E. Therefore C is the grandfather of for D but not E.
(C) C / A ≠ D = E means C is the son of A, A is the daughter of D and D is the brother of E. Here D is the grandfather of C.
(D) C * A * D – E means C is the father of A, A is the father of D and D is the sister of E. Therefore C is the Grandfather of Both D and E.
5. Answer - Option A
Explanation -
(A) I + B – C ≠ D * L means I is the mother of B, B is the sister of C, C is the daughter of D and D is the father of L. Therefore B, C and L are children of I and D Where I is the mother.