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Class 9 Maths Practice Test: Number System - Representing Real Numbers on the Number Line & Real Numbers Operations
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Avg score: 63% • Most missed: “By simplifying \((\sqrt{7}+\sqrt{5}) * (\sqrt{7}-\sqrt{5})\), we get __________”

Real Number Operations include all the arithmetic operations like addition, subtraction, multiplication, etc.

Class 9 Maths Practice Test: Number System - Representing Real Numbers on the Number Line & Real Numbers Operations
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12 Questions

1. If we add or subtract two irrational numbers, we get __________ number.
2. π – π is __________ number.
3. Summation or Subtraction of two non-zero rational numbers is a/an __________
4. Summation or Subtraction of rational number and irrational number is always a/an __________ number.
5. If we multiply or divide two rational numbers, we get a/an __________
6. By simplifying \((\sqrt{3}+\sqrt{2}) * (\sqrt{3}+\sqrt{2})\), we get __________
7. 3 + \(\sqrt{2}\) is a/an __________ number.
8. If we add or subtract an irrational number and a rational number (non-zero), then we get a/an __________ number.
9. By rationalising the denominator of \(\frac{1}{(6-\sqrt{3})}\), we get __________
10. By rationalising the denominator of \(\frac{1}{5+\sqrt{7}}\), we get __________
11. By simplifying \((\sqrt{7}+\sqrt{5}) * (\sqrt{7}-\sqrt{5})\), we get __________
12. By rationalising the denominator of \(\frac{1}{\sqrt{3}}\), we get __________

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