Which of the following quantified statements is true?

  • A
    The square of every real number is positive
  • B
    There exists a real number whose square is negative
  • C
    There exists a real number whose square is not positive
  • D
    Every real number is rational

Explore More

Similar Questions

Write the contrapositive of the following statement:
If a number is divisible by $9,$ then it is divisible by $3.$

The contrapositive of the inverse of $p$ $\rightarrow (p$ $\rightarrow q)$ is

If the Boolean expression $(p \wedge q) \circledast (p \otimes q)$ is a tautology,then $\circledast$ and $\otimes$ are respectively given by

Consider the following statements:
$p$: the switch $S_1$ is closed.
$q$: the switch $S_2$ is closed.
$r$: the switch $S_3$ is closed.
Then the switching circuit represented by the statement $(p \wedge q) \vee (\sim p \wedge (\sim q \vee p \vee r))$ is

For statements $p$ and $q$,which of the following is true?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo