Examine whether the following statements are true or false :

$\{a\} \subset\{a, b, c\}$

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True. Each element of $\{a\}$ is also an element of $\{a, b, c\} .$

Similar Questions

Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?

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Let $A =\{1,2,3, \ldots \ldots, 10\}$ and $B=\left\{\frac{m}{n}: m, n \in A, m < n \text { and } \operatorname{gcd}(m, n)=1\right\} . $Then $n(B)$ is equal to :

  • [JEE MAIN 2025]

Write the set $\{ x:x$ is a positive integer and ${x^2} < 40\} $ in the roster form.

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