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In such type of questions, clues are given regarding comparisons among a set of persons or things with respect to one or more qualities. The candidate is required to analyse the whole information, form a proper ascending / descending sequence and then answer the given questions accordingly.

Compare the knowledge of persons X, Y, Z, A, B and C in relation to each other : 1. X knows more than A. 2. Y knows as much as B. 3. Z knows less than C. 4. A knows more than Y. The best knowledgeable person amongst all is :

Option:
A. X
B. Y
C. A
D. C
Answer: A . X

Justification: Clearly, we have : A < X, Y = B, Z < C, Z< B, Y< A. Thus, the sequence becomes : X > A > Y = B > C > Z. So, X is the best knowledgeable person.

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