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1.Set Theory
medium
Which of the following is a true statement
A
$\{a\} \subseteq \{a, b, c\}$
B
$\{a\} \in \{a, b, c\}$
C
$\phi \in \{a, b, c\}$
D
None of these
Solution
An element of a given set is belongs to that set, But the set of the elements of given set is not belongs to that set.
Option (b) is not correct. Also $\{\emptyset\}$ is subset of a set
Option (C) is not correct. The set of an element of given set is subset of given set.
Standard 11
Mathematics
