A machine makes (500) items in the first hour and production decreases by (20) items each next hour. What is the production in the (14)th hour?

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Answer and explanation

Correct answer: (240)

Here (a=500), (d=-20), so (a_{14}=500+13(-20)=240). In decreasing word problems, take (d) as negative.

What is the correct answer to this question?

(240)

Why is this the correct answer?

Here (a=500), (d=-20), so (a_{14}=500+13(-20)=240). In decreasing word problems, take (d) as negative.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Finding the $n$th term of an AP.

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