Disjoint sets

Two sets that have no elements in common are called ______ sets.

• Intersecting

• Disjoint

• Equal

• Subsets

The intersection of two disjoint sets is the ______set.

• Null

• Equal

• Equivalent

• Subset

Which of the following are disjoint sets?

• {Days of the week} and {months of the year}

• {1, 2, 3, 4, 5, 6} and {1, 2}

• {Days of the week} and { Sunday, Monday, January}

• {2, 3, 4} and {prime numbers}

On a Venn diagram, 2 disjoint sets are represented as:

• 2 circles that intersect

• 2 circles,with1 circle inside of the another

• 1 circle

• 2 separate circles

If A = {chair, table, bed, desk} and B = {knife, fork, spoon} then   $A\cap B$  =

• {desk}

• {chair, bed, desk, knife, fork, spoon}
  

• {knife, fork,spoon}
  

• { }