Recent questions tagged class9

Force applied on the body is directly proportional to the acceleration . The equation to express this situation is _________

asked Feb 9, 2015 by meena.p

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If $x=1,y=1$ is a solution for $9ax +12ay =63$ then the value of 'a' is _____________

asked Feb 9, 2015 by meena.p

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The value of 'k' if $x=2,y=1$ is a solution of the equation $2x+3y =k$ is ______

asked Feb 9, 2015 by meena.p

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Which of the following options in true and why ? $y=4x-7$ has

asked Feb 9, 2015 by meena.p

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The area of the triangle formed by the points $P(0,1), Q(0,5)$ and $R( 3,4)$ is

asked Feb 9, 2015 by meena.p

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The area of a quadrilateral formed by the points $A(3,1), B(-3,1) , C(-3,-5) $ and $D( 3,-5)$ is

asked Feb 9, 2015 by meena.p

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The measure of the angle between the coordinate area is ________

asked Feb 9, 2015 by meena.p

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The area of a triangle formed by the points $P(0,1), Q(0,5)$ and $R(3,4)$ is ______

asked Feb 6, 2015 by meena.p

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The other name of the y- coordinate is ________

asked Feb 6, 2015 by meena.p

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If $ab < 0$ , the point A with coordinate $(a,b)$ lies either in the quadrant or in the __ quadrant .

asked Feb 6, 2015 by meena.p

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The other name of the y- coordinate is ________

asked Feb 6, 2015 by meena.p

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If $ab < 0$, the point A with coordinates $(a,b)$ lies either in the ___ quadrant or in the _ quadrant

asked Feb 6, 2015 by meena.p

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The name of the point of intersection of the x- axis and the y- axis is ________

asked Feb 6, 2015 by meena.p

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$(-5,-1)$ lies on the _____ quadrant

asked Feb 6, 2015 by meena.p

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A point P is on the x -axis and 2 units from origin. Then its abscissa and ordinate is ______

asked Feb 6, 2015 by meena.p

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A point M is on the y axis . Its abscissa and ordinate if M is 3 units from the origin is __________

asked Feb 6, 2015 by meena.p

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The perpendicular distance of the point $P(4,3)$ from y axis is

asked Feb 6, 2015 by meena.p

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The perpendicular distance of the point $P(4,3)$ from x axis is

asked Feb 6, 2015 by meena.p

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The distance of the point $P(4,3)$ from the origin is

asked Feb 6, 2015 by meena.p

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Select the correct match :

asked Feb 5, 2015 by meena.p

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Simplify : $\large\frac{2}{\sqrt 5 +\sqrt 3 }+\frac{1}{\sqrt 3 +\sqrt 2 } - \frac{3}{\sqrt 5 +\sqrt 2 }$

asked Feb 5, 2015 by meena.p

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The weight in kg, of 50 students are given below : $40,45,55,62,50,51,56,69,61,36,60,56,69,38,35,63,57,50,57,48,40,63,53,64,47,42,56,51,42,60,55,39,64,57,64,44,66,35,59,59,73,62,49,63,37,63,54,72,44,60$ Find the mean , median and mode respectively for the given data.

asked Feb 5, 2015 by meena.p

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If $2^x =4^y=8z$ and $\bigg( \large\frac{1}{2x}+\frac{1}{4y}+\frac{1}{6z}\bigg)=\frac{24}{7}$ then the value of z is

asked Feb 5, 2015 by meena.p

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Euclid started that all right angles are equal to each other in the form of $a/an$________

asked Feb 4, 2015 by meena.p

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If $x^2+\large\frac{1}{x^2}$$=98$ , then the value of $\bigg(x^3 +\large\frac{1}{x^3} \bigg)$ =_______

asked Feb 4, 2015 by meena.p

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Evaluate : $(2x-y+3z)(4x^2+y^2+9z^2+2xy +3yz -6xz)$

asked Feb 4, 2015 by meena.p

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A set of three figures $x,y$ and $z$ shows a sequence of folding of a piece of paper. figure shows the manner in which the folded paper has been cut select the figure from the options which would resemble the unfolded form of the paper.

asked Feb 3, 2015 by meena.p

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If all the consonants starting from B are given sequently the value of even number such as $B=2,C=4$ and so on, and all the vowels are given double the value of the preceding vowels and the value of the preceding vowels and the value of A is 5, then what is the value of REASONING ?

asked Feb 3, 2015 by meena.p

1 answer

P,Q and R are three points on the ground point P is north of point Q and $\angle PQR $ is $135^{\circ}$ in anticlockwise direction. In What direction is point R from point Q.

asked Feb 3, 2015 by meena.p

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Pointing to a woman in a photograph, a main says " she is the grand mother of the son of my daughter - in law's mother in law". How is the women related to the man?

asked Feb 3, 2015 by meena.p

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A cube of side $10\; cm$ is colored red with a $2\;cm$ wide green ship along green ship along all the sides on all the faces. Now the cube in cut into $125$ smaller cubes of equal size. How many cubes have three green faces?

asked Feb 3, 2015 by meena.p

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The value of $4 \sqrt {12} + 5 \sqrt {27} - 3 \sqrt {75}+300$ is ________

asked Feb 2, 2015 by meena.p

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The simplified form of $3 \sqrt {2}+4 \sqrt {64} + \sqrt[4]{2500}+\sqrt [6] {8}$ is ___________

asked Feb 2, 2015 by meena.p

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The simplified form of $\sqrt {294} -\sqrt {150} + 2 \sqrt 6 -3 \sqrt {\large\frac{1}{6}}$ is ________

asked Feb 2, 2015 by meena.p

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The simplified value of $4 \sqrt {12} - \sqrt {50} - 7 \sqrt {48}$ is ________

asked Feb 2, 2015 by meena.p

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Arrange in decreasing order of magnitude $\sqrt[4]{10},\sqrt [6]{6},\sqrt[8] {90}$

asked Feb 2, 2015 by meena.p

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Arrange in decreasing order of magnitude $\sqrt[3]{4},\sqrt [4]{6},\sqrt[8] {90}$

asked Feb 2, 2015 by meena.p

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If $ a = \large\frac{2 - \sqrt 5}{2+\sqrt 5},$$b = \large\frac{2+\sqrt 5}{2- \sqrt 5}$ then $a^2 -b^2 =$

asked Feb 2, 2015 by meena.p

1 answer

The simplest rationalizing factor of $ \sqrt [3] {500}$ is

asked Feb 2, 2015 by meena.p

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If $ \large\frac{\sqrt 3 -1}{\sqrt 3 +1}$$=a - b \sqrt 3$, then

asked Feb 2, 2015 by meena.p

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If $ x= 7+4 \sqrt 3 $, and $xy =1$ then $ \large\frac{1}{x^2}+\frac{1}{y^2}$=______

asked Feb 2, 2015 by meena.p

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If $x= \sqrt [3] {2+\sqrt 3}$, then $x^3 +\large\frac{1}{x^3}$=_____

asked Feb 2, 2015 by meena.p

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If $ x = \large\frac{2}{3 +\sqrt{7}}$, then $(x-3)^2$=________

asked Feb 2, 2015 by meena.p

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The ratiocination factor of $\sqrt 3$ is

asked Feb 2, 2015 by meena.p

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$\large\frac{1}{3- \sqrt 8 } -\frac{1}{\sqrt 8 - \sqrt 7 }-\frac{1}{\sqrt 6 - \sqrt 5}+\frac{1}{\sqrt 5 -2}$=_________

asked Feb 2, 2015 by meena.p

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If $x =3-2 \sqrt 2 $ then $x^2+\large\frac{1}{x^2}$

asked Feb 2, 2015 by meena.p

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If $x= \large\frac{\sqrt 2 +1}{\sqrt 2 -1}$$y= \large\frac{\sqrt 2 -1}{\sqrt 2 +1}$ then $x^2+xy+y^2 $ is _______

asked Feb 2, 2015 by meena.p

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The value of $\large\frac{1}{1+\sqrt 2 }+\frac{1}{\sqrt 2 +\sqrt 3 }+ \frac{1}{\sqrt 3 + \sqrt 4 }.....\large\frac{1}{\sqrt{8}+\sqrt 9}$=

asked Feb 2, 2015 by meena.p

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$\sqrt {\sqrt {729} \div \sqrt {27}}$ is _________

asked Feb 2, 2015 by meena.p

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$\sqrt[3]{2} \times \sqrt [5] {3} \times \sqrt [15]{32}$ is ________

asked Feb 2, 2015 by meena.p

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