Question

1. Sets which have at least one common elements are called ------sets
(a) Difference
(b) Overlapping (c) Subsets
(d) Universal set
2. A set which contains all the sets under discussion is called
(a) Difference of sets (b) Subsets
(c) Union of sets
(d) Universal
3. A set which contains all the elements of smaller set is called.
(a) Unit set
(b) Empty set
(c) Subset
(d) super set
4. ........ is the subset of every set.
(a) Unit set
(b) Empty set (c) Subset
(d) universal set​

Answer 1

Answer:

1.option d

2.option c

3.option c

4.option d

Answer 2

Answer:

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Sets which have at least one common elements are called Overlapping sets.

A sets which contains all the sets under discussion is called a Universal Set.

A set which contains all the elements of smaller set is called Super set.

Empty set is the subset of every set.

Step By step explanation:

Over lapping sets is when 2 sets have 1 or more common elements for example: A= {0,1,2,3} and B= {1,5,7,9}

Universal set is the superset of all sets. Like: U= {0,1,2,3,...,9) and A= {0,1,2,3} and B= {4,5,6}.

A subset is when a subject has all the same elements as another set. The set which has all of the elements from another set is called a superset. For example: A= {0,2,3} and B= {0,1,2,3,4,5} so B is the super set of A.

When a set has no elements what so ever it is thereby known as null or empty set. A null set is the subset of every set, in other words, all sets are supersets of null sets. For example:

A= { }

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