Question Bank - Logical Reasoning

Here's the question bank on all the logical reasoning topics.

Y ? Z' means 'Y is the sister of Z'.'Y ? Z' means 'Y is the husband of Z'.'Y ? Z' means 'Y is the daughter of Z'.'Y ? Z' means 'Y is the mother of Z'.'Y ? Z' means 'Y is the brother of Z'.In the following expression, select the option that can replace the question mark(?) to establish that 'C is the child of L'.U ? L ? G ? M ? O ? C

A.
Only '?'
B.
Only '?'
C.
Either '?' or '?'
D.
Either '?' or '?'

Solution:

Given,¢ Y ? Z ? Y is the sister of Z¢ Y ? Z ? Y is the husband of Z¢ Y ? Z ? Y is the daughter of Z¢ Y ? Z ? Y is the mother of Z¢ Y ? Z ? Y is the brother of ZGiven expression- U ? L ? G ? M ? O ? C¢ U ? L ? U is the mother of L¢ L ? G ? L is the husband of G¢ G ? M ? G is the mother of M¢ M ? O ? M is the sister of OThe given information is depicted in the diagram below- Thus, O can either be sister or brother of C to establish that C is the child of L.Hence, 'option 4' is the correct answer.

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