Question
Examine, whether the following numbers are rational or irrational:$\sqrt{225}$
✓
Answer
$\sqrt{225}$$\sqrt{225}=15=\frac{15}{1}$
$\sqrt{225}$ is rational number as it can be represented in $\frac{\text{p}}{\text{q}}$ form.
$\sqrt{225}$ is rational number as it can be represented in $\frac{\text{p}}{\text{q}}$ form.
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
Factorise:
$x^2+x y-2 x z-2 y z$
→$x^2+x y-2 x z-2 y z$
Write the following rational numbers in decimal form. : $\frac{4}{5}$
→Identify constant, linear, quadratic and cubic polynomial from the following polynomials:
$g(x)=2 x^3-7 x+4$
→$g(x)=2 x^3-7 x+4$
Write the following statements in conditional form : A triangle is a figure formed by three segments
Factorise:
x(a - 5) + y(5 - a)
x(a - 5) + y(5 - a)
Check whether the following numbers are in continued proportion: $9,12,16$
→What can you say about the sum of a rational number and an irrational number?
The following figure lie on the same base and between the same parallels. In such a case, write the common base and the two parallels.
From the information given below, find which of the point is between the other two. If the points are not collinear, state so : d(D, E) = 5, d(E, F) = 8, d(D, F) = 6
Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in case:$\text{y}=\frac{\text{x}}{2}$
→