**CBSE NCERT Solutions Chapter 5 Arithmetic Progressions Exercise 5.2 Question 10**

**10. The 17th term of an AP exceeds its 10th term by 7. Find the common difference.**

**Solution:**

It is given that 17th term exceeds its 10th term by 7.

It means = + 7 ** (1)**

Here, is the 17th term and is the 10th term of an AP.

**Using formula** , **to find** nth term of arithmetic progression, **we get**

**(2)**

** (3)**

Putting** (2)** and **(3)** in equation** (1)**, we get