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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Which one of the following is an irrational number - Mathematics

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Question

Which one of the following is an irrational number

Options

  • `sqrt(25)`

  • `sqrt(9/4)`

  • `7/11`

  • π

MCQ

Solution

π

Explanation;

Hint:

We take frequently π as `22/7` (which gives the value of 3.1428571428571…….) to be its correct value, but in reality these are only approximations

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Decimal Representation to Identify Irrational Numbers
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Chapter 2: Real Numbers - Exercise 2.9 [Page 75]

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Samacheer Kalvi Mathematics [English] Class 9 TN Board
Chapter 2 Real Numbers
Exercise 2.9 | Q 5 | Page 75
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