Which of the following is a true statement
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
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- [KVPY 2012]
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