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Seven friends — P, Q, R, S, T, U and V — sit in a straight row, all facing north. Only two persons sit to the right of V. P sits third to the left of V. Q sits second to the right of P. R sits at the extreme left end. S sits immediately to the left of U. T sits between P and Q. If all seven are re-seated in alphabetical order from left to right, how many of them remain in their original seat?

Competition practicePuzzles & Seating
  • AOne
  • BTwo
  • CNone
  • DThree

Step-by-Step Solution

Original order (seats 1–7): R, P, T, Q, V, S, U. Alphabetical order: P, Q, R, S, T, U, V. Comparing seat by seat — R/P, P/Q, T/R, Q/S, V/T, S/U, U/V — no position matches, so none remain in the same seat.
Answer: C) None

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