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(B, C, D) null set (or empty set) is a set that contains no elements.$1$. The set of even prime numbers is $\{2\}$,which is not a null set.$2$. The se

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Set of natural numbers $x$ such that $x  7$

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(B, C, D) null set (or empty set) is a set that contains no elements.$1$. The set of even prime numbers is $\{2\}$,which is not a null set.$2$. The set of odd natural numbers divisible by $2$ is a null set,as no odd number is divisible by $2$.$3$. The set of even prime numbers greater than $2$ is a null set,as $2$ is the only even prime number.$4$. The set of natural numbers $x$ such that $x  7$ is a null set,as no number can satisfy both conditions simultaneously.

Which of the following are examples of the null set?
Set of even prime numbers

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Which of the following are examples of the null set?Set of even prime numbers