Gujarat Board Solutions Class 10 Maths Chapter 1 Real Numbers Ex 1.4

Gujarat Board Solutions Class 10 Maths Chapter 1 Real Numbers Ex 1.4

Gujarat Board Textbook Solutions Class 10 Maths Chapter 1 Real Numbers Ex 1.4

Question 1.
Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion.

Question 2.
Write down decimal expansions of the rational numbers in question 1 above which have terminating decimal expansions.
Solution:

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 factor of q?

2. 0.120 1200 12000 120000 …
The decimal expansion is neither terminating nor recurring, therefore, the given number is an irrational number.

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