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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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The first row of a stadium has (36) seats and each next row has (4) more seats. If the total number of seats is (2520), how many rows are there?

Answer and explanation

Correct answer: (28)

The seats form an AP and (S_n=2520) gives (n=28). Exam tip: when total seats are given, form an (S_n) equation.

Related tags

ApWord-ProblemStadiumFind-NWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematics
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