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In an auditorium, the first three rows have 8, 11, and 14 seats respectively, and each successive row has 3 more seats. What type of sequence does this seating arrangement form?

Answer and explanation

Correct answer: Arithmetic progression (AP)

Each successive row increases by 3 seats: 11-8=3 and 14-11=3 . Since the common difference is constant, it is an AP. A GP has a constant ratio instead. Exam tip: compare consecutive differences first.

Related tags

Arithmetic ProgressionAp Word ProblemsCommon DifferenceSequence ClassificationClass 10 MathematicsWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions Ap

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