In this question, a question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and decide the appropriate answer. Five, girls, Gauri, Ragini, Navya, Kajal and Lovely, are sitting around a circular table facing towards the centre. Who sits to the immediate left of Lovely? (I) Gauri is sitting immediately to the right of Lovely. Ragini is sitting immediately to the left of Kajal. (II) Navya is sitting second to the left of Kajal. Gauri is an immediate neighbour of both Navya and Lovely.
Data in Statement II alone is sufficient to answer the question while data in statement I is not
In a data-sufficiency question the golden rule is to test each statement independently, without borrowing information from the other, and only combine them if neither alone settles the question. Here five girls — Gauri, Ragini, Navya, Kajal and Lovely — sit around a circular table facing the centre, so for each person "left" and "right" are fixed directions, and we must find who is the immediate left neighbour of Lovely.
Testing Statement I alone: It says Gauri is immediately to the right of Lovely, and Ragini is immediately to the left of Kajal. The first fact fixes only Lovely's right side (Gauri), telling us nothing definite about her left side. The Ragini–Kajal pairing can float to several positions relative to Lovely, so the person on Lovely's immediate left could be Navya, Ragini or Kajal. Since more than one arrangement is possible, Statement I alone is insufficient.
Testing Statement II alone: It says Navya sits second to the left of Kajal, and Gauri is an immediate neighbour of both Navya and Lovely. "Gauri neighbours both" forces the consecutive block Navya – Gauri – Lovely. Placing the remaining two girls so that Navya is exactly second to Kajal's left leaves only one valid circular order, which fully fixes every seat — including who sits immediately to Lovely's left. Because the arrangement becomes unique, Statement II alone is sufficient.
Since Statement II by itself answers the question while Statement I by itself does not, the correct choice is that data in Statement II alone is sufficient while Statement I alone is not. The options claiming "both together are needed" or "neither is sufficient" are ruled out precisely because one single statement already cracks the puzzle.
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