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CBSE XI
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Math
Math
Sets
Relations and Functions
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Principle of Mathematical Induction
Complex Numbers and Quadratic Equations
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Permutations and Combinations
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Introduction to Three Dimensional Geometry
Limits and Derivatives
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Solve the inequality for real $x: 3x-7 > 4x -5$
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q6
asked
Jul 25, 2014
by
meena.p
1
answer
Solve the given inequality for real $x: 4x+3 < 5x +7$
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q5
asked
Jul 25, 2014
by
meena.p
1
answer
Solve $3 x+8 > 2$ when (i) x is an integer (ii) x is a real number
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q4
asked
Jul 25, 2014
by
meena.p
1
answer
Solve $5 x-3 < 7 $ when (i) x is an integer (ii) x is a real number
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q3
asked
Jul 25, 2014
by
meena.p
1
answer
Solve $-12 x > 30$ when (i) x is a natural number (ii) x is an integer
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q2
asked
Jul 25, 2014
by
meena.p
1
answer
Solve $24 x < 100$ when (i) x is a natural number (ii) x is an integer
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q1
asked
Jul 25, 2014
by
meena.p
1
answer
An equilateral triangle is inscribed in the parabola $ y^2 = 4 ax$, where one vertex is at the vertex of the parabola. Find the length of the side of the triangle
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
misc
p264
q8
asked
Jul 24, 2014
by
thanvigandhi_1
1
answer
A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
misc
p264
q7
asked
Jul 24, 2014
by
thanvigandhi_1
1
answer
Find the area of the triangle formed by the lines joining the vertex of the parabola $ x^2 = 12y $ to the ends of its latus rectum.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
misc
p264
q6
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation of the locus of a point P on the rod, which is 3 cm from the end in contact with the x-axis.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
misc
p264
q5
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
An arch is in the form of a semi-ellipse. It is 8 m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
difficult
misc
p264
q4
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.
cbse
class11
ch11
conic-sections
bookproblem
sec-c
difficult
misc
p264
q3
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
An arch is in the form of a parabola with its axis vertical. The arch is 10 m high and 5 m wide at the base. How wide is it 2 m from the vertex of the parabola?
cbse
class11
ch11
conic-sections
bookproblem
sec-c
difficult
misc
p264
q2
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus.
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
misc
p264
q1
asked
Jul 23, 2014
by
thanvigandhi_1
1
answer
For the statement "If a quadrilateral is a parallelogram then its diagonals bisect each other"' is the statement "If the diagonals of a quadrilateral bisecyt then it is a parallelogram" contra positive or converse?
cl51025
cl51021
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q4-4
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
For the statement "If a quadrilateral is a parallelogram then its diagonals bisect each other"' is the statement "If the diagonals of a quadrilateral do not bisect then it is not a parallelogram" contra positive or converse?
cl51021
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q4-3
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
For the statement "If you live in Delhi then you have winter clothes.' is the statement "If you have winter clothes then you live in Delhi" contra positive or converse?
cl51021
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q4-2
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
For the statement "If you live in Delhi then you have winter clothes.' is the statement "If you do not have winter clothes then you do not live in Delhi" contra positive or converse?
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q4-1
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
Write the statement "To get 'A' in the class it is necessary that you do all the exercises of the book." in 'if-then' form.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q3-4
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
Write the statement "A quadrilateral is a parallelogram if its diagonals bisect each other" in 'if-then' form.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q3-3
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
Write the statement " The banana tree will bloom if it stays warm for a month.' in 'if-then' form
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q3-2
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
Write the statement "You get a job implies that your credentials are good" in 'if-than' form.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-a
easy
q3-1
asked
Jul 22, 2014
by
rvidyagovindarajan_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Foci $(0, \pm \sqrt{ 10} )$ , passing through $(2,3 )$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
difficult
exercise11-4
p262
q15
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : vertices $(\pm 7,0 ) , e = \large\frac{4}{3}$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
exercise11-4
p262
q14
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 4, 0)$, the latus rectum is of length $12$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
exercise11-4
p262
q13
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Write the converse and contra positive statements of the statement "$x$ is an even number implies that $x$ is divisible by $4$.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q2-5
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 3\sqrt 5 , 0)$, the latus rectum is of length $8$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
exercise11-4
p262
q12
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Write the converse and contra positive statements of the statement "You cannot comprehend geometry if you do not know how to reason deductively."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q2-4
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Write the converse and contra positive statements of the statement "Something cold implies that it has low temperature."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q2-3
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Foci $(0, \pm13)$, the conjugate axis is of length $24$.
cbse
class11
ch11
conic-sections
bookproblem
sec-b
easy
exercise11-4
p262
q11
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Write the converse and contra positive statement of the statement " If the two lines are parallel then they do not intersect in the same plane."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q2-2
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 5, 0)$, the transverse axis is of length $8$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
easy
exercise11-4
p262
q10
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Write the contrapositive and converse of the statement: "If $x$ is prime then $x$ is odd."
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q2-1
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Rewrite the the statement " $If\: a\:natural\:number\:is\:odd,\: then\:its\:square\:is\:also\:odd."$ in five different ways conveying the same meaning.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-4
sec-b
easy
q1
asked
Jul 21, 2014
by
rvidyagovindarajan_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Vertices $(0, \pm 3),$ foci $(0, \pm 5)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-4
p262
q9
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Vertices $(0, \pm 5),$ foci $(0, \pm 8)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-4
p262
q8
asked
Jul 21, 2014
by
thanvigandhi_1
1
answer
Find the equations of the hyperbola satisfying the given conditions : Vertices $(\pm 2, 0),$ foci $(\pm 3, 0)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-4
p262
q7
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $49y^2 – 16x^2 = 784$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
exercise11-4
p262
q6
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $5y^2-9x^2=36$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
medium
exercise11-4
p262
q5
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $ 16x^2-9y^2=576$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-4
p262
q4
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $9y^2–4x^2= 36$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-4
p262
q3
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $ \large\frac{y^2}{9}-\large\frac{x^2}{27}=1$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-4
p262
q2
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $ \large\frac{x^2}{16}-\large\frac{y^2}{9}=1$
cbse
class11
ch11
conic-sections
bookproblem
sec-c
easy
exercise11-4
p262
q1
asked
Jul 19, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Major axis on the x-axis and passes through the points $(4,3)$ and $(6,2)$.
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
exercise11-3
p255
q20
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Centre at $(0,0),$ major axis on the y-axis and passes through the points $(3, 2)$ and $(1, 6)$
cbse
class11
ch11
conic-sections
bookproblem
sec-b
medium
exercise11-3
p255
q19
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : b = 3, c = 4, centre at the origin; foci on the x axis
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-3
p255
q18
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Foci $(\pm 3, 0), a = 4$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
medium
exercise11-3
p255
q17
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Length of minor axis $16$, foci $(0, \pm 6).$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
medium
exercise11-3
p255
q16
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Length of major axis $26,$ foci $(\pm 5, 0)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
medium
exercise11-3
p255
q15
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
Find the equation for the ellipse that satisfies the given conditions : Ends of major axis $ (0, \pm \sqrt 5 )$, ends of minor axis $(\pm 1, 0)$
cbse
class11
ch11
conic-sections
bookproblem
sec-a
easy
exercise11-3
p255
q14
asked
Jul 18, 2014
by
thanvigandhi_1
1
answer
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