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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpertLevel 70
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At a donation centre (300) food packets are distributed on the first day and (10) fewer packets are distributed each next day. How many packets are distributed in (18) days?

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Answer and explanation

Correct answer: (3870)

The packets form the decreasing AP (300,290,280,\ldots) and (S_{18}=3870). Exam tip: keep the common difference negative for decreasing quantities.

Related tags

ApWord-ProblemFood-PacketsTotal

Frequently asked questions

What is the correct answer to this question?

(3870)

Why is this the correct answer?

The packets form the decreasing AP (300,290,280,\ldots) and (S_{18}=3870). Exam tip: keep the common difference negative for decreasing quantities.

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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