Practice Rational Numbers (q) (2.4) - Introduction to Number Systems - CBSE Class 9 Maths
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Rational Numbers (Q)

Practice - Rational Numbers (Q)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Identify whether the number 2 is a rational number.

💡 Hint: Think about how you can write 2 as a fraction.

Question 2 Easy

Write down a non-repeating decimal number.

💡 Hint: Consider decimals that do not have any repeating digits.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following is a rational number?

\\( \\pi \\)
2
sqrt{2}

💡 Hint: Consider which numbers can be written as fractions.

Question 2

Is 0.999... a rational number?

True
False

💡 Hint: Think about how repeating decimals relate to fractions.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Prove that \( 0.121212... \) is a rational number by writing it as a fraction.

💡 Hint: How does shifting the decimal place help you find the fraction?

Challenge 2 Hard

Rationalize the denominator of \( \frac{5}{\sqrt{2}} \).

💡 Hint: What operation do we use to eliminate square roots in the denominator?

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Reference links

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