MCQ
Which of the following numbers is irrational?
- A$\sqrt{\frac{4}{9}}$
- ✓$\sqrt{8}$
- C$\frac{\sqrt{24}}{\sqrt{6}}$
- D$\frac{\sqrt{1250}}{\sqrt{8}}$
✓
Answer
Correct option: B.
$\sqrt{8}$
$\therefore\sqrt{8}=\sqrt{2\times2\times2}=2\sqrt{2}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The height of sand in a cylindrical shaped can drops $3$ inches when $1$ cubic foot of sand is poured out. What is the diameter, in inches, of the cylinder$?$
→A metallic sphere of radius $10.5\ cm$ is melted and then recast into small cones, each of radius $3.5\ cm$ and height $3\ cm.$ The number of such cones will be:
→If each side of an equilateral triangle of area A is doubled, then the area of new triangle is
The diagonals $\text{AC}$ and $\text{BD}$ of a rectangle $\text{ABCD}$ intersect each other at $P. $If $\ce{\angle ABD} =50^{\circ}$, then $\ce{\angle DPC =}$
→The product of a non-zero rational number with an irrational number is always a/an:
In the given figure, $O$ is the centre of the circle. If $\angle\text{QPR}$ is 50º then $\angle\text{QOR}$ is: 
→$(x+1)$ is a factor of $x^n+1$ only if:
→If the area of the base of a conical tent is $154 m^2$ and its volume is $1232 m^3$, then the height of the tent is
→In a circle of radius $17\ cm,$ two parallel chords are drawn on opposite side of a diameter. The distance between the chords is $23\ cm.$ If the length of one chord is $16\ cm,$ then the length of the other is:
→Write the correct answer in the following: In Ancient India, Altars with combination of shapes like rectangles, triangles and trapeziums were used for: