MCQ
The number $(5-3 \sqrt{5}+\sqrt{5})$ is :
- Aan integer
- Barational number
- ✓an irrational number
- Da whole number
✓
Answer
Correct option: C.
an irrational number
(c)
an irrational number
an irrational number
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
If a circle drawn with origin as the centre passes through $\Big(\frac{13}{2}, 0\Big),$ then the point which does not lie in the interior of the circle is :
→The roots of the quadratic equation $x^2+ x -1=0$ are
→Which of the following cannot be determined graphically?
In the given figure, PA and PB are tangents from external point P to a circle with centre C and Q is any point on the circle. Then the measure of $\angle AQB$ is
→A letter is chosen at random from the letters of the word ASSOCIATION. Find the probability that the chosen letter is a vowel.
If a pole $12m$ high casts a shadow $4\sqrt{3}\text{m}$ long on the ground, then the sun's elevation is :
→→
If the system of equations $2 x+3 y=7$ and $2 a x+(a+b) y=8$ has infinitely many solutions, then
→A line intersects the y-axis and X-axis at the points P and Q, respectively. If (2, – 5) is the mid-point of PQ, then the coordinates of P and Q are, respectively:
Choose the correct option and justify your choice : $\sin 2\text{A}=2 \sin \text{A}$ is true when $A=$
→