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Rational Numbers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSRational Numbers1 Mark
MCQ
Which of the following is the identity element$?$
  • A
    $1$
  • B
    $-1$
  • ✓
    $0$
  • D
    None of these.
✓

Answer

Correct option: C.
$0$

The additive identity element is $0.$
We know that the sum of $0$ and any number is the number itself. Let the number be $x.$
$\therefore x + 0 = 0$
$⇒ x = 0$

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