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CBSE XI
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Math
Math
Sets
Relations and Functions
Trigonometric Functions
Principle of Mathematical Induction
Complex Numbers and Quadratic Equations
Linear Inequalities
Permutations and Combinations
Binomial Theorem
Sequences and Series
Straight Lines
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Introduction to Three Dimensional Geometry
Limits and Derivatives
Mathematical Reasoning
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Probability
If the lines $2x-3y=5$ and $3x-4y=7$ are the diameters of a circle of area 154 square units,then obtain the equation of the circle.
cbse
class11
math
conic-sections
circle
exemplar
sec-c
medium
q23
asked
Oct 13, 2014
by
sreemathi.v
1
answer
Find the equation of the hyperbola with eccentricity $\large\frac{3}{2}$ and foci at $(\pm 2,0)$.
cbse
class11
math
conic-sections
hyperbola
exemplar
sec-a
medium
q22
asked
Oct 10, 2014
by
sreemathi.v
1
answer
Find the eccentricity of the hyperbola $9y^2-4x^2=36$.
cbse
class11
math
conic-sections
hyperbola
exemplar
sec-a
easy
q21
asked
Oct 10, 2014
by
sreemathi.v
1
answer
If the distance between the foci of a hyperbola is $16$ and its eccentricity is $\sqrt 2$,then obtain equation of the hyperbola.
cbse
class11
math
conic-sections
hyperbola
exemplar
sec-b
medium
q20
asked
Oct 10, 2014
by
sreemathi.v
1
answer
If the line $y=mx+1$ is tangent to the parabola $y^2=4x$ then find the value of $m$.
cbse
class11
math
conic-sections
parabola
exemplar
sec-a
medium
q19
asked
Oct 10, 2014
by
sreemathi.v
1
answer
If the points $(0,4)$ and $(0,2)$ are respectively the vertex and focus of a parabola,then find the equation of the parabola.
cbse
class11
math
conic-sections
parabola
exemplar
sec-a
medium
q18
asked
Oct 10, 2014
by
sreemathi.v
1
answer
Find the length of the line-segment joining the vertex of the parabola $y^2=4ax$ and a point on the parabola where the line-segment makes an angle $\theta$ to the $x$-axis.
cbse
class11
math
conic-sections
parabola
exemplar
sec-a
difficult
q17
asked
Oct 10, 2014
by
sreemathi.v
1
answer
Find the coordinates of a point on the parabola $y^2 = 8x$ whose focal distance is 4.
cbse
class11
math
conic-sections
parabola
exemplar
sec-a
medium
q16
asked
Oct 10, 2014
by
sreemathi.v
1
answer
Find the distance between the directrices of the ellipse $\large\frac{x^2}{36}+\frac{y^2}{20}$$=1$.
cbse
class11
math
conic-sections
ellipse
exemplar
sec-a
easy
q15
asked
Oct 9, 2014
by
sreemathi.v
1
answer
Find the equation of ellipse whose eccentricity is $\large\frac{2}{3}$ , latus rectum is 5 and the centre is (0, 0).
cbse
class11
math
conic-sections
ellipse
exemplar
sec-b
medium
q14
asked
Oct 9, 2014
by
sreemathi.v
1
answer
If the eccentricity of an ellipse is $\large\frac{5}{8}$ and the distance between its foci is 10, then find latus rectum of the ellipse.
cbse
class11
math
conic-sections
ellipse
exemplar
sec-b
medium
q13
asked
Oct 9, 2014
by
sreemathi.v
1
answer
Given the ellipse with equation $9x^2+25y^2=225$,find the eccentricity and foci.
cbse
class11
math
conic-sections
ellipse
exemplar
sec-b
easy
q12
asked
Oct 9, 2014
by
sreemathi.v
1
answer
If the latus rectum of an ellipse is equal to half of minor axis,then find its eccentricity.
cbse
class11
math
conic-sections
ellipse
exemplar
sec-b
medium
q11
asked
Oct 9, 2014
by
sreemathi.v
1
answer
Find the equation of a circle concentric with the circle $x^2+y^2-6x+12y+15=0$ and has double of its area.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
difficult
q10
asked
Oct 9, 2014
by
sreemathi.v
1
answer
If the line $y=\sqrt 3x+k$ touches the circle $x^2+y^2=16$,then find the value of $k$.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
difficult
q9
asked
Oct 8, 2014
by
sreemathi.v
1
answer
Find the equation of the circle having $(1,-2)$ as its centre and passing through $3x+y=14,2x+5y=18$.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
medium
q8
asked
Oct 8, 2014
by
sreemathi.v
1
answer
If one end of a diameter of the circle $x^2+y^2-4x-6y+11=0$ is $(3,4)$,then find the coordinate of the other end of the diameter.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
medium
q7
asked
Oct 8, 2014
by
sreemathi.v
1
answer
Find the equation of a circle which touches both the axes and the line $3x-4y+8=0$ and lies in the third quadrant.
cbse
class11
math
conic-sections
circle
exemplar
sec-b
medium
q6
asked
Oct 8, 2014
by
sreemathi.v
1
answer
how to crack out maths trigonometric function??
cbse
class11
trigonometric-functions
asked
Aug 29, 2014
by
aishwaryalakshmi44
1
answer
Write the statement "It is necessary to have a password to log on to the server." in the form if $p$ then $q$.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-a
easy
q3-1
asked
Aug 16, 2014
by
rvidyagovindarajan_1
1
answer
Write the converse and contra positive of the statement "If it is hot outside then you feel thirsty."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-b
easy
q2-3
asked
Aug 16, 2014
by
rvidyagovindarajan_1
1
answer
Write the converse and contra positive of the statement "I go to the beach whenever it is sunny day."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-b
easy
q2-2
asked
Aug 16, 2014
by
rvidyagovindarajan_1
1
answer
Write the converse and contra positive of the statement "A positive integer is prime only if it has no divisors other than 1 and itself."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-b
easy
q2-1
asked
Aug 14, 2014
by
rvidyagovindarajan_1
1
answer
IQ of a person is given by the formula $IQ= \large\frac{MA}{CA} $$ \times 100$ Where MA is a mental age and CA is chronological age. If $80 \leq IQ \leq 140$ for a group of 12 years old children find the range of their mental age .
cbse
math
class11
ch6
linear-inequalities
misc
q14
asked
Aug 5, 2014
by
meena.p
1
answer
How many liters of water will have to be added to $1125$ liters of the $45\%$ solution of acid so that the resulting mixture will contain more than $25 \%$ but less than $30\%$ acid content ?
cbse
math
class11
ch6
linear-inequalities
misc
q13
asked
Aug 5, 2014
by
meena.p
1
answer
A solution of $ 8 \%$ basic acid is to be diluted by adding $ 2 \%$ boic acid. Solution to it. The resulting mixture is to be more than $4 \%$ but less than $6 \%$ boric acid. If we have 640 litres of $8^{\circ} \%$ Solution , how many litres of $2 \%$ solution is to be added ?
cbse
math
class11
ch6
linear-inequalities
misc
q12
asked
Aug 5, 2014
by
meena.p
1
answer
A solution is to be kept between $68^{\circ} F$ and $ 77^{\circ} F$ . What is the range in to temperature in degree ceisius (C) if the ceisius (C) if the ceisius / Fahrenheit (F) conversion. formula is given by $F= \large\frac{9}{8} $$c +32?$
cbse
math
class11
ch6
linear-inequalities
misc
q11
asked
Aug 5, 2014
by
meena.p
1
answer
Solve the inequalities and represent the solution graphically on number line. $ 5(2x-7) - 3(2x+3) \leq 0 ; 2x+19 \geq 6x+47 $
cbse
math
class11
ch6
linear-inequalities
misc
q10
asked
Aug 5, 2014
by
meena.p
1
answer
Solve the inequalities and represent the solution graphically on number line. $ 3x-7 > 2(x-6) ; 6-x > 11-2x $
cbse
math
class11
ch6
linear-inequalities
misc
q9
asked
Aug 5, 2014
by
meena.p
1
answer
Solve the inequalities and represent the solution graphically on number line. $ 2(x-1) < x+5 ; 3(x+2) > 2-x $
cbse
math
class11
ch6
linear-inequalities
misc
q8
asked
Aug 4, 2014
by
meena.p
1
answer
Write the negation of the statement " There exists a number $x$ such that 0<$x$<1."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-a
easy
q1-4
asked
Aug 4, 2014
by
rvidyagovindarajan_1
1
answer
Write the negation of the statement " For every real number $x$, either $x$ is >1 or <1."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-a
easy
q1-3
asked
Aug 4, 2014
by
rvidyagovindarajan_1
1
answer
Write the negation of "All cats scratch."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-a
easy
q1-2
asked
Aug 4, 2014
by
rvidyagovindarajan_1
1
answer
Write the negation of "For every positive real number $x$, the number $x+1$ is also positive."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-a
easy
q1-1
asked
Aug 4, 2014
by
rvidyagovindarajan_1
1
answer
Write the negation of "For every positive real number $x$, the num ber $x+1$ is also positive."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise-misc14
sec-a
easy
q1-1
asked
Aug 4, 2014
by
rvidyagovindarajan_1
0
answers
Solve the inequality and represent the solution graphically on number line . $5x + 1 > -24; 5x -1 < 24$
cbse
math
class11
ch6
linear-inequalities
misc
q7
asked
Aug 4, 2014
by
meena.p
1
answer
Solve the inequality $7 \;\leq \large\frac{3x+11}{2} $$ \leq 2$
cbse
math
class11
ch6
linear-inequalities
misc
q6
asked
Aug 4, 2014
by
meena.p
1
answer
Solve the inequality $7 \leq \large\frac{(3x+11)}{2} \leq 11$
cbse
math
class11
ch6
linear-inequalities
misc
q6
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the inequality $-12 <4 <- \large\frac{3x}{-5} \leq 2$
cbse
math
class11
ch6
linear-inequalities
misc
q5
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the inequality $-15 < \large\frac{3(x-2)}{5} \leq 0$
cbse
math
class11
ch6
linear-inequalities
misc
q4
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the inequality $-3 \leq 4 - \large\frac{7x}{2} $$ \leq 18$
cbse
math
class11
ch6
linear-inequalities
misc
q3
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the inequality $ 6 \leq -3( 2x-4) < 12$
cbse
math
class11
ch6
linear-inequalities
misc
q2
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the inequality : $ 2 \leq 3x-4 \leq 5$
cbse
math
class11
ch6
linear-inequalities
misc
q1
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the system of inequalities graphically $x+2y \leq 10 ; x+y \geq 1 ; x -y \leq 0 ; x \leq 0 , y\leq 0 $
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q15
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically $3x+2y \leq 150; x +4y \leq 80 ; x \leq 15 ; y \geq 0, x \geq 0 $
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q14
asked
Aug 1, 2014
by
meena.p
1
answer
Solve the system of inequalities graphically $4x+3y \leq 60 ; y \geq 2x; x \geq 3 ; x,y \geq 0 $
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q13
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the system of inequalities graphically $x-2y \leq 3; 3x +4y \geq 12 ; x \geq 0 ; y \geq 1$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q12
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the system of linear inequalities graphically $2x +y \geq 4; x+y \leq 3; 2x-3y \leq 6$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q11
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically $3x+4y \leq 60; x+3y \leq 30 ; x \geq 0 ;y \geq 0$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q10
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically : $5x+4y \leq 20; x \geq 1; y \geq 2$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q9
asked
Jul 31, 2014
by
meena.p
1
answer
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