State whether the following statements af true or false. Justify your answers.

(i) Every irrational number is a real number.

(ii) Every point on the number line is of the form $ \sqrt{m} $, where $ m $ is a natural number

(iii) Every real number is an irrational number.


Solution:

i) True: Real numbers are any number which can we think. 

Thus, every irrational number is a real number.

ii) False: A number line may have negative or positive number. 

Since, no negative can be the square root of a natural number, thus every point the the number line cannot be in the form of  m

iii) False: All numbers are real number and non terminating numbers are irrational number. 

For example 2,3,4, etc. are some example of real numbers and these are not irrational.


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Updated on: 10-Oct-2022

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