SUB SET

Which of the following is always a subset of every set?

• A proper subset

• The universal set

• The empty set

• None

How many subsets does the set A={1,2,3} have?

• 1

• 2

• 4

• 8

How many subsets does the set A={1,2,3} have exactly 2 elements in it?

• 1

• 2

• 3

• 8

If a set has n elements, how many subsets does it have?

• None

Which of the following sets is a subset of {a, b, c} ?

• {d}

• {a, b, d}

• {a, c}

• {a, b, c, d}

The number of non-empty subsets of the set { x, y } is:

• 1

• 2

• 3

• 4

Which of these is not a subset of { m, n } ?

• ∅

• {m}

• {n}

• {m, n, o}

The set of all subsets of a set is called:

• Superset

• Power set

• Proper set

• Main set

If a set has 64 subsets, how many elements are there in the original set?

• 6

• 6

• 32

• 4

A set with only one subset must be:

• A set with one element

• A set with two elements

• The empty set

• A universal set