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Whole Numbers — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSWhole Numbers1 Mark
MCQ
Whole numbers are not closed under ......... operation:
  • A
    Addition
  • ✓
    Subtraction
  • C
    Multiplication
  • D
    None of these
✓

Answer

Correct option: B.
Subtraction

Whole numbers are not closed under subtraction operation because when any two whole numbers are considered and from them one is subtracted from the other,
the difference so obtained is not necessarily a whole number.
Eg. $2 - 5 = −3.$

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