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Six persons P, Q, R, S, T and U are sitting around a circular table facing the center not necessarily in the same order. Consider the following statements:

  • P sits next to S and T.
  • Q sits diametrically opposite to P.
  • The shortest distance between S and R is equal to the shortest distance between T and U.

Based on the above statements, Q is a neighbor of

  • A.U and S
  • B.R and T
  • C.R and U
  • D.P and S

Answer: C

Q is a neighbor of R and U.

Six people round a table occupy six equally spaced seats. Put P in seat 1. P sits next to S and T, so S and T take seats 2 and 6. Q is diametrically opposite P, in seat 4. That leaves seats 3 and 5 for R and U, which are exactly the two seats beside Q.

The third statement only decides which of R and U takes seat 3 and which seat 5 (with S in seat 2 and T in seat 6, both placements give equal S-R and T-U distances). Either way, R and U fill the two seats next to Q. S and T are next to P, not Q, and P is opposite Q, so the other options are impossible.

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