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Recent questions in CBSE XI
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CBSE XI
CBSE XI
Math
Physics
Chemistry
Biology
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
Solve the system of inequalities : $x+y \leq 9; y > x;x \geq 0$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q8
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically $2x+y \geq 8; x+2y \geq 10$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q7
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the system of inequalities graphically $x +y \leq 5;x+y \geq 4$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q6
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the following system of equation graphically. $2x-y >1;x -2y <-1$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q5
asked
Jul 31, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically $x+y \geq 4 ; 2x -y > 0$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q4
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically $2x +y \geq 6; 3x +4y \leq 12$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q3
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the system of inequalities graphically $3x +2y \leq 12 ; x \geq 1;y \geq 2$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q2
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the following system of inequalities graphically $ x \geq 3, y \geq 2$
cbse
math
class11
ch6
linear-inequalities
exercise6-3
q1
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two, dimensional plane . $ x > -3$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q10
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two - dimensional plane . $ y < -2$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q9
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the inequalities graphically in two - dimensional plane . $3y-5x < 30$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q8
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two -dimensional plane. $-3x+2y \geq -6$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q7
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two dimensional plane . $2x -3y > 6$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q6
asked
Jul 30, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two dimensional plane. $x-y \leq 2$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q5
asked
Jul 30, 2014
by
meena.p
1
answer
State whether the statement "$\sqrt {11}$ is a rational number." is true or false. Give reason.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-a
easy
q5-5
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
State whether the statement "If $x,\:y$ are integers such that $x>y$, then $-x<-y$" is true or false. Give reason.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-a
easy
q5-4
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
State whether the statement "Circle is a particular case of an ellipse." is true or false. Give reason.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-a
easy
q5-3
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
State whether the statement "The centre of a circle bisects each chord of the circle." is true or false. Give reason.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-a
easy
q5-2
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
State whether the statement "Each radius of a circle is a chord of the circle." is true or false. Give reason.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-a
easy
q5-1
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
By giving counter example show that the statement "The equation $x^2-1=0$ does not have a root lying between $0$ and $2$." is false.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-b
easy
q4-2
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
By giving counter example show that the statement "If all the angles of a triangle are equal then the triangle is an obtuse angled triangle" is not true.
cbse
class11
ch14
mathematical-reasoning
bookproblem
exercise14-5
sec-b
easy
q4-1
asked
Jul 29, 2014
by
rvidyagovindarajan_1
1
answer
Solve the given inequality in two - dimensional plane $y+8 \geq 2x$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q4
asked
Jul 29, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two- dimensional plane $3x+4y \leq 12$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q3
asked
Jul 29, 2014
by
meena.p
1
answer
Solve the given inequality graphically in two- dimension. $2x +y \geq 6$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q2
asked
Jul 28, 2014
by
meena.p
1
answer
Solve the given inequality in two-dimensional plane . $x+y < 5$
cbse
math
class11
ch6
linear-inequalities
exercise6-2
q1
asked
Jul 28, 2014
by
meena.p
1
answer
A man wants to cut three length from a single piece of board of length 91 cm . The second length is to be 3 cm longer than the shortest , and third length is to be twice as long as shortest. What are the possible lengths of the shortest board, if the third piece is to be at least 5 cm longer than the second.
cbse
math
class11
ch6
linear-inequalities
exercise6-1
q26
asked
Jul 28, 2014
by
meena.p
1
answer
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