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Question

Which of the following numbers is irrational?


A

0.11111….

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B

0.101100101010…….

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C

2.454545…

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D

0.23232323

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Solution

The correct option is B

0.101100101010…….


A real number is an irrational number when it has a non terminating non repeating decimal representation.

Thus, 0.101100101010……. is an irrational number.


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