MCQ
If (p or q) is true, then:
  • A
    p is true and q is false
  • B
    p is true and q is true
  • C
    p is false and q is true
  • All of the above

Answer

Correct option: D.
All of the above
(p or q) is false when both p and q are false otherwise it is true.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The term independent of ' $x$ ' in the expansion of $\left(\frac{x+1}{x^{2 / 3}-x^{1 / 3}+1}-\frac{x-1}{x-x^{1 / 2}}\right)^{10}$, where $x \neq 0,1$ is equal to $.....$
If $\frac{{\sec \,8\theta  - 1}}{{\sec \,4\theta  - 1}} = \frac{{a + b\,{{\tan }^2}2\theta }}{{1 + c\,{{\tan }^2}\,2\theta  + d\,{{\tan }^4}2\theta }}$

(where $\theta  \ne \frac{{n\pi }}{{16}},n \in I$ ), then value of $(a -b + c -d)$ is -

A lot consists of $12$ good pencils, $6$ with minor defects and $2$ with major defects. A pencil is choosen at random. The probability that this pencil is not defective is
If $2\text{f(x)}-3\text{f}\Big(\frac{1}{\text{x}}\Big)=\text{x}^2(\text{x}\neq0),$ then f(2) is equal to:
The radius of the circle, having centre at $(2,1)$ whose one of the chord is a diameter of the circle ${x^2} + {y^2} - 2x - 6y + 6 = 0$ is
The incorrect statement is
Which octant do the point (-5, 4, 3) lie:
In a lottery there were $90$ tickets numbered $1$ to $90$. Five tickets were drawn at random. The probability that two of the tickets drawn numbers $15$ and $89$ is
The symmetric difference of A = {1, 2, 3} and B = {3, 4, 5} is:
  1. {1, 2}
  2. {1, 2, 4, 5}
  3. {4, 3}
  4. {2, 5, 1, 4, 3}.
Let $\alpha, \beta, \gamma, \delta \in \mathrm{Z}$ and let $\mathrm{A}(\alpha, \beta), \mathrm{B}(1,0), \mathrm{C}(\gamma, \delta)$ and $D(1,2)$ be the vertices of a parallelogram $\mathrm{ABCD}$. If $\mathrm{AB}=\sqrt{10}$ and the points $\mathrm{A}$ and $\mathrm{C}$ lie on the line $3 y=2 x+1$, then $2(\alpha+\beta+\gamma+\delta)$ is equal to