If A + B means A is the brother of B; A - B means A is the sister of B; and A x B means A is the father of B. Which of the following means that C is the son of M? MCQ with Answer and Explanation
If A + B means A is the brother of B; A - B means A is the sister of B; and A x B means A is the father of B. Which of the following means that C is the son of M?
A. M x N - C + F
B. N + M - F x C
C. M - N x C + F
D. F - C + N x M
Answer: Option A
Solution (By JKSSB Mock Tests)
In option D, M x N means M is the father of N. N - C means N is the sister of C, so M is also the father of C. C + F means C is the brother of F, which establishes that C is male. Therefore, C is the son of M.
'P @ Q' means 'P is the husband of Q' 'P & Q' means 'P is the mother of Q' 'P # Q' means 'P is the wife of Q' 'P Ă— Q' means 'P is brother of Q' If 'A @ B & C Ă— D # E' then how is E related to A?
Explanation:
A @ B → A husband of B. B & C → B mother of C. So C is child of A and B. C × D → C brother of D, so D is sister of C. D # E → D wife of E. Hence E is husband of D (daughter of A), i.e., daughter's husband.
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