Boost your exam preparation with our Class 9 Maths Number System Mock Test, designed according to the latest CBSE syllabus. Practice a wide range of multiple-choice questions (MCQs) covering topics like real numbers, irrational numbers, rational numbers, and laws of exponents. Each mock test includes instant feedback and detailed explanations to help you understand every concept clearly. Strengthen your foundation in the Number System, improve problem-solving speed, and score higher in your Class 9 Maths exams with our free online mock tests and chapter-wise quizzes. Perfect for self-assessment and school exam preparation.

1.

 
 
 
 

2.

 
 
 
 

3. Irrational number between 1.011243 … and 1.012243 … is

 
 
 
 

4. For rationalising the denominator of the expression , we multiply and divide by

 
 
 
 

5. A rational number equivalent to  is

 
 
 
 

6. An example of a whole number is

 
 
 
 

7. On simplifying  we get

 
 
 
 

8.   is equal to

 
 
 
 

9. In meteorological department, temperature is measured as a

 
 
 
 

10.  is equal to

 
 
 
 

11. is

 
 
 
 

12.

 A rational number between  is

 
 
 
 

13. is

 
 
 
 

14. Every point on a number line

 
 
 
 

15. Given a rational number – . This rational number can also be known as

 
 
 
 

16. An example of a whole number is

 
 
 
 

17.  is equal to

 
 
 
 

18. The product of any two irrational numbers is

 
 
 
 

19.

 The rational number can also be written as

 
 
 
 

20. In meteorological department, temperature is measured as a

 
 
 
 

21.  is equal to

 
 
 
 

22.

 
 
 
 

23. If the decimal representation of a number is non-terminating non-recurring, then the number is

 
 
 
 

24. On simplifying , we get

 
 
 
 

25. The value of  is equal to

 
 
 
 

26. Addition of expression  and  is

 
 
 
 

27. To rationalise the denominator of the expression  , we multiply and divide by

 
 
 
 

28. is

 
 
 
 

29. On adding ,  we get

 
 
 
 

30. The number 1.101001000100001… is

 
 
 
 

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