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Lata is told: 'Every integer is a rational number, and integers are closed under addition, subtraction and multiplication.'
Which operation among these makes integers NOT closed, the same way it fails for whole numbers but works for rationals?

Class 8Properties of Rational NumbersRational Numbers
  • ADivision
  • BAddition
  • CSubtraction
  • DMultiplication

Step-by-Step Solution

Integers are not closed under division (e.g. 3 / 2 = 1.5 is not an integer). They are closed under +, - and . Rationals are also not closed under division only because of division by 0.
Answer: A) Division

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