Chemical Engineering
+1 vote

$P,Q,R,S,T,U,V,$ and $W$ are seated around a circular table.

  1. $S$ is seated opposite to $W$
  2. $U$ is seated at the second place to the right of $R$
  3. $T$ is seated at the third place to the left of $R$
  4. $V$ is a neighbour of $S$

Which of the following must be true?

  1. $P$ is a neighbour of $R$
  2. $Q$ is a neighbour of $R$
  3. $P$ is not seated opposite to $Q$
  4. $R$ is the left neighbour of $S$
in Analytical Aptitude by (1.6k points)
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1 Answer

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Here most frequently used person is $R$ - so we should fill $R$ first. That's points $2$ and $3.$ After this only one opposite position will be left -- which is needed for $S, W.$ So, straight away $C$ is the answer. We can then also show how $A, B$ and $D$ can be false.
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