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:
