Null set

Set of counting numbers between 5 and 6.

• a. Subset

• b. Power Subset

• c. Null Set

• d. none

{Month having more than 31 days}

• a. Empty set

• b. Universal set

• c. Subset

• d. Power Subset

Set of odd numbers between 7 and 9.

• a. Universal set

• b. Empty set

• c. Subset

• d. None