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A question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and select the appropriate answer. Ah, Bt, Ci, Du and Ez are sitting around a circular table, facing the centre. Who sits second to the left of Ah? (I) Du sits second to the left of Ez. Ci sits to the immediate left of Ez. (II) Bt sits to the immediate left of Du. Ez sits second to the right of Du.
Both statements I and II together (and not statement I alone or statement II alone) are sufficient to answer the question
Data in statement I alone is sufficient to answer the question while data in statement II is not
Data in statement II alone is sufficient to answer the question while data in statement I is not
Data in statements I and II together are NOT sufficient to answer the question
Both statements I and II together (and not statement I alone or statement II alone) are sufficient to answer the question
In circular seating for N people, fix one person as a reference point to place others. If statements provide relative positions, check if they collectively define the complete circular order.
In circular seating for N people, fix one person as a reference point to place others. If statements provide relative positions, check if they collectively define the complete circular order.
Analyze Statement I
Fix Ez at a position. Du sits second to the left of Ez (Du is at position 3 if Ez is at 1). Ci sits to the immediate left of Ez (Ci is at position 5). Remaining are Ah and Bt. We cannot determine the specific position of Ah relative to the others using only this statement.
Analyze Statement II
Fix Du at a position. Bt sits to the immediate left of Du. Ez sits second to the right of Du. Remaining are Ah and Ci. Without knowing where Ah is relative to the others, the position of Ah is not fixed.
Combine Statements I and II
From Statement II: If Du is at 1, Bt is at 5 (immediate left of Du), and Ez is at 3 (second to right of Du). From Statement I: Du is second to left of Ez (Matches: Ez at 3, Du at 1). Ci is immediate left of Ez (Ci is at 2). Only Ah remains, so Ah must be at 4. Now, the full arrangement (clockwise) is: Du(1), Ci(2), Ez(3), Ah(4), Bt(5). Ah is at 4, second to the left of Du(1) is Ah.
B: Statement I alone fails to place Ah, C: Statement II alone fails to place Ah, D: Both together are sufficient to determine the relative positions of all five people.
A is correct because combining both statements provides the complete circular sequence (Du, Ci, Ez, Ah, Bt), allowing us to identify Ah's position relative to everyone else.
Always verify if the number of variables (5) is matched by a sufficient number of distinct relative placement constraints to fix all positions; usually, N-1 constraints are required for N people.
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