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1. Addition of expression  and  is

 
 
 
 

2. is

 
 
 
 

3.  is equal to

 
 
 
 

4.   is equal to

 
 
 
 

5.

 
 
 
 

6. The product of any two irrational numbers is

 
 
 
 

7. The value of  is equal to

 
 
 
 

8.

 The rational number can also be written as

 
 
 
 

9. On adding ,  we get

 
 
 
 

10. In meteorological department, temperature is measured as a

 
 
 
 

11. An example of a whole number is

 
 
 
 

12.

 
 
 
 

13. A rational number equivalent to  is

 
 
 
 

14. An example of a whole number is

 
 
 
 

15. In meteorological department, temperature is measured as a

 
 
 
 

16. The number 1.101001000100001… is

 
 
 
 

17.  is equal to

 
 
 
 

18. is

 
 
 
 

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

 
 
 
 

20.  is equal to

 
 
 
 

21.

 A rational number between  is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24.

 
 
 
 

25. On simplifying , we get

 
 
 
 

26. is

 
 
 
 

27. Every point on a number line

 
 
 
 

28. Irrational number between 1.011243 … and 1.012243 … is

 
 
 
 

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

 
 
 
 

30. On simplifying  we get

 
 
 
 

Question 1 of 30