Q.

Which of the following is not an irrational number?


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a

Question Image

b

Question Image

c

Question Image

d

Question Image 

answer is D.

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Detailed Solution

Concept- Irrational numbers are indeed the real numbers that cannot be expressed as fractions.
We know that adding or subtracting any number from an irrational number yields an irrational number.
Question Image are irrational numbers, but Question Image is a rational number
Therefore, Question Imageis not an irrational number.
Hence, the correct answer is option 4) Question Image.
 
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