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Real Numbers — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsReal Numbers1 Mark
MCQ
$2.13113111311113 ... $ is :
  • A
    An integer.
  • B
    A rational number.
  • ✓
    An irrational number.
  • D
    None of these.
✓

Answer

Correct option: C.
An irrational number.
An irrational number is a number that is non $-$ terminating and non $-$ repeating.
$2.13113111311113 ... $ is neither terminating nor repeating, and hence is an irrational number.

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