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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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In a training program practice is (45) minutes on the first day and (15) minutes more each next day. How many days are needed to complete (2520) minutes of practice?

Answer and explanation

Correct answer: (16)

The practice times are (45,60,75,\ldots) and (S_n=2520) gives (n=16). Exam tip: set the target total equal to (S_n).

Related tags

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