GATE 2021 AG – Question 10

General Aptitude · Analytical Aptitude: Logical Reasoning, Deduction and Analogy · 2 marks · Multiple choice

Seven cars P, Q, R, S, T, U, V park in one row. T and U are adjacent;S and V are adjacent;P and Q are not adjacent;Q and S are not adjacent;R is immediately right of V;T is left of U. Which statement is the only incorrect option?

Two cars are between Q and V
Q and R are not adjacent
V is the only car between S and R
P is at an extreme end

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Show answer and explanation

Correct answer: (A) Two cars are between Q and V

Explanation

The adjacency rules force the block S–V–R and T–U. The official answer is **A**: for example P–S–V–R–T–U–Q satisfies all stated constraints but has three cars between V and Q. However the premises do not uniquely force the other options either: S–V–R–Q–T–U–P is also valid and makes B false. The source’s claim of a unique incorrect statement therefore needs an additional placement constraint; the official selection is retained without inventing one.

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