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Which option gives a correct notation for the empty set?
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Answer and explanation
Correct answer: ∅
The empty set has no elements and is denoted by ∅ or by a pair of empty braces, {}. The symbol 0 is a number, not an empty set, and {0} is a set containing one element, namely 0. Likewise, {∅, 0} contains two elements, the empty set and the number 0. Hence option C is correct.
Frequently asked questions
What is the correct answer to this question?
∅
Why is this the correct answer?
The empty set has no elements and is denoted by ∅ or by a pair of empty braces, {}. The symbol 0 is a number, not an empty set, and {0} is a set containing one element, namely 0. Likewise, {∅, 0} contains two elements, the empty set and the number 0. Hence option C is correct.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems.
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