Q. 6

# Which one of the following is not true?A. is an irrational numberB. is an irrational numberC. 0.10110011100011110… is an irrational numberD. is an irrational number

As we know an irrational number are those number which cannot be represented in a simple fraction

A. √2 cannot be represent in simple fraction hence it is an irrational number

Hence A is true

B. √17 cannot be represent in simple fraction hence it is an irrational number

Hence B is true

C. 0.10110011100011110….cannot be represent in simple fraction hence it is a irrational number . Hence C is true

D. on simplification

=

Hence is rational number and not irrational.

Hence D is the right answer

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