L, P, Q, R, S, T and Ware sitting in a straight line facing North. i) P sits fourth to the left of L and L sits second to the left of Q. ii) R, Who is not an immediate neighbor of L, sits to the immediate right of S. iii) T sits second to the left of W.
9) Which of the following pairs sit at the extreme corners of the line? a) SL b) P, Q c) W, Q d) S, T e) NOT 10) How many persons sit between R and W? a) None b) One c) Two d) Three e) Four
Answers
Answer:
1. Eight friends P, Q, R, S, T, U, V and W are sitting in a straight line facing north. 2. U and P sits at the extreme corners. 3. Only four person sits between R and Q. 4. S sits 2nd to the right of V. 5. W is 3rd to the left of U. Case I is eliminated as no one can be at the left of U. From point 4, the above arrangement can be made. Now, only T is left, who will take the vacant place. Hence, ‘3’ persons are sitting to the left of V.
Explanation:
L, P, Q, R, S, T and Ware sitting in a straight line facing North. i) P sits fourth to the left of L and L sits second to the left of Q. ii) R, Who is not an immediate neighbor of L, sits to the immediate right of S. iii) T sits second to the left of W.
9) Which of the following pairs sit at the extreme corners of the line? a) SL b) P, Q c) W, Q d) S, T e) NOT 10) How many persons sit between R and W? a) None b) One c) Two d) Three e) Four