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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpertLevel 71
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A factory makes (600) units on the first day and (22) fewer units each next day. What is the total production in the first (18) days?

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Answer and explanation

Correct answer: (7434)

The production is the decreasing AP (600,578,556,\ldots) and (S_{18}=7434). Exam tip: treat a decrease as a negative common difference.

Related tags

ApWord-ProblemFactoryDecreasing

Frequently asked questions

What is the correct answer to this question?

(7434)

Why is this the correct answer?

The production is the decreasing AP (600,578,556,\ldots) and (S_{18}=7434). Exam tip: treat a decrease as a negative common difference.

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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