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Subjects
Class 10MathematicsArithmetic Progressions (AP)Finding the $n$th term of an APEasyLevel 64

The first step of a staircase is (15) cm high and each next step is (15) cm higher. What will be the height of the (10)th step?

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Answer and explanation

Correct answer: (150) cm

Here (a=15), (d=15), so (a_{10}=15+9\times15=150). Treat the equal increase as the common difference.

Tags

ap word problemheightnth term

Frequently asked questions

What is the correct answer to this question?

(150) cm

Why is this the correct answer?

Here (a=15), (d=15), so (a_{10}=15+9\times15=150). Treat the equal increase as the common difference.

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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