'P @ Q' means 'P is the sister of Q' 'P & Q' means 'P is the father of Q' 'P # Q' means 'P is the brother of Q' If ' A @ B # C & D @ E, then how is D related to A? MCQ with Answer and Explanation
'P @ Q' means 'P is the sister of Q' 'P & Q' means 'P is the father of Q' 'P # Q' means 'P is the brother of Q' If ' A @ B # C & D @ E, then how is D related to A?
A. brother's daughter
B. sister's daughter
C. Daughter
D. brother's son
Answer: Option A
Solution (By JKExamLibrary)
A @ B → A sister of B. B # C → B brother of C (C male). C & D → C father of D. D @ E → D sister of E (D female). So A, B, C are siblings; A is sister of C. D is daughter of C, thus D is A's brother's daughter.
Explanation:
The only child of Reena's grandfather is Reena's parent (father or mother). The only son of Reena's parent is Reena's brother. Thus, Reena is the sister of the boy.
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 sister of B'. If 'W * Q & R - S + T', then what is the relation of W to T?
Explanation:
W is father of Q. Q is sister of R. R is brother of S. S is son of T. Therefore, W is T's father, making W the grandfather of S and ancestor of T's child.
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