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Class 10 Mathematics Arithmetic Progressions (AP)Finding the $n$th term of an APHardLevel 64

In an AP, (a_2+a_5+a_8=111). Find the value of (a_5).

Answer and explanation

Correct answer: (37)

(a_2), (a_5), and (a_8) are equally spaced, so the middle term is the average. (a_5=\frac{111}{3}=37).

Tags

ap-average-hard

Frequently asked questions

What is the correct answer to this question?

(37)

Why is this the correct answer?

(a_2), (a_5), and (a_8) are equally spaced, so the middle term is the average. (a_5=\frac{111}{3}=37).

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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