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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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A shop has (500) items on the first day and (30) fewer items each next day. How many items will remain on the (14)th day?

Answer and explanation

Correct answer: (110)

The item numbers are (500,470,440,\ldots) and (a_{14}=110). Exam tip: keep (d) negative in a decreasing AP.

Related tags

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