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1.
The relation 'is subset of on the power set 
of a set 
is
of a set is
2.
Let and 
be two non-empty subsets of a set 
such that is not a subset of 
Then,
and be two non-empty subsets of a set such that is not a subset of Then,
3.
If 
and 
are three sets such that 
then 
and are three sets such that then
4.
A survey shows that 63% of the Americans like cheese whereas 76% like apples. If 
% of the Americans like both cheese and apples, then
% of the Americans like both cheese and apples, then
5.
If 
and 
then 
is equal to
and then is equal to
6.
Let 
is a multiple of 3
and 
. Then, 
is given by
is a multiple of 3 and . Then, is given by
7.
If 
then 
cannot be
then cannot be
8.
In order that a relation 
defined on a non-empty set is an equivalence relation, it is sufficient, if
defined on a non-empty set is an equivalence relation, it is sufficient, if
9.
For real numbers and 
we write 
is an irrational number. Then, the relation is
and we write is an irrational number. Then, the relation is
10.
In a class of 45 students, 22 can speak Hindi and 12 can speak English only. The number of students, who can speak both Hindi and English, is