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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpertLevel 70
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A stock has (320) boxes on the first day and (20) fewer boxes each next day. What is the total observed number of boxes over (11) days?

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Answer and explanation

Correct answer: (2420)

The box numbers are (320,300,280,\ldots) and (S_{11}=2420). Exam tip: take (d) negative for decreasing stock.

Related tags

ApWord-ProblemStockTotal

Frequently asked questions

What is the correct answer to this question?

(2420)

Why is this the correct answer?

The box numbers are (320,300,280,\ldots) and (S_{11}=2420). Exam tip: take (d) negative for decreasing stock.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Word problems based on APs.

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