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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsMediumLevel 71
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In a shop (75) packets are sold on the first day and (5) fewer packets are sold each next day. How many packets are sold in (8) days?

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Answer and explanation

Correct answer: (460)

The sales form the decreasing AP (75,70,65,\ldots) and (S_8=460). Exam tip: take (d) negative for decreasing sales.

Related tags

ApWord-ProblemSales

Frequently asked questions

What is the correct answer to this question?

(460)

Why is this the correct answer?

The sales form the decreasing AP (75,70,65,\ldots) and (S_8=460). Exam tip: take (d) negative for decreasing sales.

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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