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Subjects
Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsMedium
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The first row of a cinema hall has (13) seats and each next row has (3) more seats. How many seats are there in (14) rows?

Answer and explanation

Correct answer: (455)

The seats are (13,16,19,\ldots) and (S_{14}=455). Exam tip: convert real-life seating questions into APs.

Related tags

ApWord-ProblemCinemaWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq
सुधार सुझाएँ / Earn

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