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Number systems — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsNumber systems1 Mark
MCQ
Which of the following is an irrational number ?
  • A
    3.14
  • B
    3.141414...
  • C
    3.14444
  • D
    3.141141114...
✓

Answer

  1. 3.141141114...

    Solution :
    The decimal expansion of an irrational number is non-terminating recurring non-recurring.
    Hence, 3.141141114... is an irrational number.
    Hence, the correct opion is (d).

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