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Question
Which one of the following is an irrational number?
Options
`sqrt (16/25)`
`sqrt 5`
`3/9`
`sqrt 196`
MCQ
Solution
`bbsqrt 5`
Explanation:
Since,
`sqrt(16/25) = 4/5` is a rational number;
`3/9` is a rational number,
`sqrt 196 = 14` is a rational number; and
`sqrt 5` is an irrational number.
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Irrational and Real Numbers
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Chapter 2: Real Numbers - Problem Set 2 [Page 34]
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