CBSE › Class 9 › Maths › The World of Numbers (Class 9 NCERT New)
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1. 23+32\sqrt{3}+\sqrt{3}23​+3​ is equal to

2. The number obtained on rationalising the denominator of 17−2\frac{1}{\sqrt{7}-2}7​−21​ is

3. After rationalising the denominator of 733−22\frac{7}{3\sqrt{3}-2\sqrt{2}}33​−22​7​ , we get the denominator as

4. The square root of which number is rational

5. the number is ( 3−33-\sqrt{3}3−3​ )(3 −3-\sqrt{3}−3​ )

6. The decimal expansion of an irrational number may be:

7. From the choices given below mark the co-prime numbers

8. -14 could NOT be which type of number?

9. Real number consist of

10. In between two rational number there is/are

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