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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsHard
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A call centre handles (120) calls in the first hour and (15) more calls each next hour. How many calls are handled in (8) hours?

Answer and explanation

Correct answer: (1380)

The call numbers are (120,135,150,\ldots), and (S_8=1380). Exam tip: treat calls per hour as AP terms.

Related tags

ApWord-ProblemCall-CentreWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq
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