Which of the following quantified statements | vedclass

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(C) For any real number $x$,the square $x^2$ is always greater than or equal to $0$ $(x^2 \geq 0)$.Option $A$ is false because for $x=0$,$x^2=0$,which

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There exists a real number whose square is not positive

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(C) For any real number $x$,the square $x^2$ is always greater than or equal to $0$ $(x^2 \geq 0)$.Option $A$ is false because for $x=0$,$x^2=0$,which is not positive.Option $B$ is false because the square of a real number cannot be negative.Option $C$ is true because there exists a real number $x=0$ such that $x^2=0$,which is not positive.Option $D$ is false because there exist irrational numbers like $\sqrt{2}$.

Which of the following quantified statements is true?

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Statement-$I$: $\sim (p \leftrightarrow q)$ is equivalent to $(p \wedge \sim q) \vee (q \wedge \sim p)$.
Statement-$II$: $p$ $\rightarrow (p$ $\rightarrow q)$ is a tautology.

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