## NCERT solutions for class 10 Maths

**Chapter 1**

**Real Numbers**

**Exercise 1.4**

**Ex 1.4 Question 1.**

**Ex 1.4 Question 1.**

**Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or non-terminating repeating decimal expansion:**

**Solution:**

**Ex 1.4 Question 2.**

**Write down the decimal expansions of those rational numbers in question 1, which have terminating decimal expansions.**

**Solution:**

**Ex 1.4 Question 3.**

**The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form, p q what can you say about the prime factors of q?**

(i) 43. 123456789

(ii) 0.120120012000120000…

**Solution:**