Question

which of the following is an empty set?
1)set of even prime number from 1 to 10
2)set of prime number from 1to 10
3)set of odd number from 2to 10
4) set of prime number less than 2​

Answer 1

Answer:

set of prime numbers less than 2

Step-by-step explanation:

two is the smallest and the only even prime number

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Answer 2

Answer:

Set D is an empty or null set

Step-by-step explanation:

Soln:

1) set of even prime number from 1 to 10

Let A be the set of even prime number from 1 to 10

∴A={2}                  Set A is not a null or empty set

2)set of prime number from 1to 10

Let B be the set of prime number from 1 to 10

∴B={ 2, 3, 5 ,7 }     Set B is not a null or empty set

3)set of odd number from 2to 10

Let C be the set of odd number from 2 to 10

∴C={3, 5, 7, 9}       Set C is not a null or empty set

4) set of prime number less than 2

Let D be the set of prime number less than ​​2

∴D={  }                    Set D is a null or empty set