Question : Directions: A + B means A is the sister of B; A – B means A is the brother of B; A × B means A is the father of B; A ÷ B means A is the wife of B. If A + B – C ÷ D × E – F, then which of the following statements is NOT correct?
Option 1: C is the mother of F
Option 2: E is the brother of B
Option 3: A is the sister of the wife of D
Option 4: A is the sister of C
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Correct Answer: E is the brother of B
Solution : According to the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure. Let's check the options – First option: C is the mother of F – From the above family tree, it's clear that E is the brother of F, and E is the Son of C. So, C is the mother of F as well. Therefore, this option is correct. Second option: E is the brother of B – From the above family tree, it's clear that E is the brother of F, and B is the uncle of E. Therefore, this option is incorrect. Third option: A is the sister of the wife of D – From the above family tree, it's clear that A is the sister of C, and C is D's wife. So, A is the sister of the wife of D. Therefore, this option is correct. Fourth option: A is the sister of C – From the above family tree, it's clear that A is the sister of B and C. Therefore, this option is correct.
So, only the second option does not depict the correct relation, as per the family tree. Hence, the second option is correct.
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Question : Directions: A + B means A is the brother of B; A – B means A is the mother of B; A × B means A is the husband of B; A ÷ B means A is the sister of B. If C
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