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Which of the following type of numbers are closed under only multiplication?

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+1 vote
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in Mathematics – Class 8 by (91.0k points)
Which of the following type of numbers are closed under only multiplication?

(a) Rational Numbers

(b) Integers

(c) Whole Numbers

(d) Natural Numbers

This question was posed to me during an internship interview.

Question is from Properties of Rational Numbers topic in division Rational Numbers of Mathematics – Class 8

1 Answer

+1 vote
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Best answer
Correct option is (c) Whole Numbers

Explanation: Numbers

Closed Under

Addition

Subtraction

Multiplication

Division

a) Rational Numbers

Yes

Yes

…

No

b) Integers

…

Yes

…

No

c) Whole Numbers

…

…

Yes

…

d) Natural  Numbers

…

No

…

…

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