Download App

Presentation of Data in Tabular Form — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSPresentation of Data in Tabular Form2 Marks
Question
Simplify:
$3\sqrt{45}-\sqrt{125}+\sqrt{200}-\sqrt{50}$
✓

Answer

$3\sqrt{45}-\sqrt{125}+\sqrt{200}-\sqrt{50}$
$3\sqrt{9\times5}-\sqrt{25\times5}+\sqrt{100\times2}-\sqrt{25\times2}$
$=3\times3\sqrt{5}-5\sqrt{5}+10\sqrt{2}-5\sqrt{2}$
$=9\sqrt{5}-5\sqrt{5}+10\sqrt{2}-5\sqrt{2}$
$=4\sqrt{5}+5\sqrt{2}$

Need a full question paper?

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

Start Generating Free

Explore more

More "2 Marks Questions" from Presentation of Data in Tabular Form→Presentation of Data in Tabular Form — all question types→MATHS STD 9 question papers→Rajasthan Board STD 9 question papers→Rajasthan Board question paper generator→

Similar questions

Simplify the following:
$\frac{3\text{n}\times9^{\text{n}+1}}{3^{\text{n}-1}\times9^{\text{n}-1}}$
→
Simplify the following:$\frac{\sqrt[4]{1250}}{\sqrt[4]{2}}$
→
Factorise:$4a^2 - 9b^2 - 2a - 3b$
→
Write the following in decimal form and say what kind of decimal expansion has.
$\frac{11}{24}$
→
Factorise:$16x^4 + 54x$
→
In the following equations, find which variables x, y and z etc. represent rational or irrational numbers:
$\text{u}^2=\frac{17}{4}$
→
By Remainder Theorem find the remainder, when $p(x)$ is divided by $g(x),$ where: $p(x) = x^3 - 3x^2 + 4x + 50, g(x) = x - 3$
→
Find the following products:
$\Big(\frac{\text{x}}{2}+2\text{y}\Big)\Big(\frac{\text{x}^2}{4}-\text{xy}+4\text{y}^2\Big)$
→
Find the total surface area of a hemisphere of radius 10cm.
→
The percentages of marks obtained by a student in six unit tests are given below:
Unit test
 $I$ $II$ $III$ $IV$ $V$ $VI$
Percentage of marks obtained
 $53$ $72$ $28$ $46$ $67$ $59$
A unit test is selected at random. What is the probability that the student gets more than $60\%$ marks in the test?
→