# CBSE Class 10-Mathematics: Chapter –5 Arithmetic Progressions Part 20

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**Question 7:**

Which term of the sequence is the first negative term?

**Answer:**

For first negative term

term is first negative term.

**Question 8:**

The term of an AP is q and term is . Find its term

**Answer:**

Put the value of d in eq. (i)

**Question 9:**

If m times the term of an A.P is equal to n times its term, show that the term of the AP is zero.

**Answer:**

Hence Proved.

**Question 10:**

The sum of the and terms of an AP is 24 and the sum of the and terms is . Find the first three terms of the AP.

**Answer:**

On solving equations (i) and (ii)

First three terms are