JEE Advanced
2025
MCQ
Let S denote the locus of the point of intersection of the pair of lines
$4x - 3y = 12\alpha$,
$4\alpha x + 3\alpha y = 12$,
where $\alpha$ varies over the set of non-zero real numbers. Let T be the tangent to S passing through the points $(p, 0)$ and $(0, q)$, $q > 0$, and parallel to the line $4x - \frac{3}{\sqrt{2}} y = 0$.
Then the value of $pq$ is :
JEE Advanced
2013
MCQ
For $a > b > c > 0,$ the distance between $(1, 1)$ and the point of intersection of the lines $ax + by + c = 0$ and $bx + ay + c = 0$ is less than $\left( {2\sqrt 2 } \right)$. Then
JEE Advanced
2011
MCQ
A straight line $L$ through the point $(3, -2)$ is inclined at an angle ${60^ \circ }$ to the line $\sqrt {3x} + y = 1.$ If $L$ also intersects the x-axis, then the equation of $L$ is
JEE Advanced
2008
MCQ
Consider three points $P = ( - \sin (\beta - \alpha ), - cos\beta ),Q = (cos(\beta - \alpha ),\sin \beta )$ and $R = (\cos (\beta - \alpha + \theta ),\sin (\beta - \theta ))$ where $0 < \alpha ,\beta ,\theta < {\pi \over 4}$. Then :
JEE Advanced
2008
MCQ
Consider the lines given by:
${L_1}:x + 3y - 5 = 0$
${L_2}:3x - ky - 1 = 0$
${L_3}:5x + 2y - 12 = 0$
Match the Statement/Expressions in Column I with the Statements/Expressions in Column II.
|
Column I |
|
Column II |
| (A) |
L$_1$, L$_2$, L$_3$ are concurrent, if |
(P) |
$K = - 9$ |
| (B) |
One of L$_1$, L$_2$, L$_3$ is parallel to atleast one of the other two, if |
(Q) |
$K = - {6 \over 5}$ |
| (C) |
L$_1$, L$_2$, L$_3$ form a triangle, if |
(R) |
$K = {5 \over 6}$ |
| (D) |
L$_1$, L$_2$, L$_3$ do not form a triangle, if |
(S) |
$K = 5$ |
JEE Advanced
2008
MCQ
Let a and b be non-zero real numbers. Then, the equation
$(a{x^2} + b{y^2} + c)({x^2} - 5xy + 6{y^2}) = 0$ represents :
JEE Advanced
2008
MSQ
A straight line through the vertex p of a triangle PQR intersects the side QR at the point S and the circumcircle of the triangle PQR at the point T. If S is not the centre of the circumcircle, then :
JEE Advanced
2007
MCQ
The lines ${L_1}:y - x = 0$ and ${L_2}:2x + y = 0$ intersect the line ${L_3}:y + 2 = 0$ at $P$ and $Q$ respectively. The bisector of the acute angle between ${L_1}$ and ${L_2}$ intersects ${L_3}$ at $R$.
Statement-1: The ratio $PR$ : $RQ$ equals $2\sqrt 2 :\sqrt 5 $. because
Statement-2: In any triangle, bisector of an angle divides the triangle into two similar triangles.
JEE Advanced
2007
MCQ
Let $O\left( {0,0} \right),P\left( {3,4} \right),Q\left( {6,0} \right)$ be the vertices of the triangles $OPQ$. The point $R$ inside the triangle $OPQ$ is such that the triangles $OPR$, $PQR$, $OQR$ are of equal area. The coordinates of $R$ are
JEE Advanced
2007
MCQ
Let $\mathrm{O(0,0), P(3,4), Q(6,0)}$ be the vertices of the triangle OPQ. The point R inside the triangle OPQ is such that the triangles OPR, PQR, OQR are of equal area. The coordinates of R are
JEE Advanced
2007
MCQ
Lines $\mathrm{L}_{1}: y-x=0$ and $\mathrm{L}_{2}: 2 x+y=0$ intersect the line $\mathrm{L}_{3}: y+2=0$ at $\mathrm{P}$ and $\mathrm{Q}$, respectively. The bisector of the acute angle between $L_{1}$ and $L_{2}$ intersects $L_{3}$ at $R$.
STATEMENT - 1 : The ratio PR : RQ equals $2 \sqrt{2}: \sqrt{5}$.
STATEMENT - 2 : In any triangle, bisector of an angle divides the triangle into two similar triangles.
JEE Advanced
2007
MCQ
Consider the following linear equations
$ax + by + cz = 0$
$bx + cy + az = 0$
$cx + ay + bz = 0$
Match the conditions/expressions in Column I with statements in Column II.
|
Column I |
|
Column II |
| (A) |
$a + b + c \ne 0$ and ${a^2} + {b^2} + {c^2} = ab + bc + ca$ |
(P) |
the equations represent planes meeting only at a single point. |
| (B) |
$a + b + c = 0$ and ${a^2} + {b^2} + {c^2} \ne ab + bc + ca$ |
(Q) |
the equations represent the line $x=y=z$. |
| (C) |
$a + b + c \ne 0$ and ${a^2} + {b^2} + {c^2} \ne ab + bc + ca$ |
(R) |
the equations represent identical planes. |
| (D) |
$a + b + c = 0$ and ${a^2} + {b^2} + {c^2} = ab + bc + ca$ |
(S) |
the equations represent the whole of the three dimensional space. |
JEE Advanced
2005
MCQ
The area of the triangle formed by the intersection of a line parallel to X-axis and passing through $(h, k)$ with the lines $y=x$ and $x+y=2$ is $4 h^{2}$. Find the locus of point $P$.
JEE Advanced
2004
MCQ
Area of the triangle formed by the line $x + y = 3$ and angle bisectors of the pair of straight line ${x^2} - {y^2} + 2y = 1$ is
JEE Advanced
2003
MCQ
The number of integral points (integral point means both the coordinates should be integer) exactly in the interior of the triangle with vertices $\left( {0,0} \right),\left( {0,21} \right)$ and $\left( {21,0} \right)$, is
JEE Advanced
2003
MCQ
Orthocentre of triangle with vertices $\left( {0,0} \right),\left( {3,4} \right)$ and $\left( {4,0} \right)$ is
JEE Advanced
2002
MCQ
Let $0 < \alpha < {\pi \over 2}$ be fixed angle. If $P = \left( {\cos \theta ,\,\sin \theta } \right)$ and $Q = \left( {\cos \left( {\alpha - \theta } \right),\,\sin \left( {\alpha - \theta } \right)} \right),$ then $Q$ is obtained from $P$ by
JEE Advanced
2002
MCQ
A straight line through the origin $O$ meets the parallel lines $4x+2y=9$ and $2x+y+6=0$ at points $P$ and $Q$ respectively. Then the point $O$ divides the segemnt $PQ$ in the ratio
JEE Advanced
2002
MCQ
Let $P = \left( { - 1,\,0} \right),\,Q = \left( {0,\,0} \right)$ and $R = \left( {3,\,3\sqrt 3 } \right)$ be three points.
Then the equation of the bisector of the angle $PQR$ is
JEE Advanced
2002
MCQ
If the pair of lines $a{x^2} + 2hxy + b{y^2} + 2gx + 2fy + c = 0$ intersect on the $y$ axis then
JEE Advanced
2002
MCQ
A triangle with vertices $(4, 0), (-1, -1), (3, 5)$is
JEE Advanced
2002
MCQ
Locus of mid point of the portion between the axes of $x$ $\cos \alpha + y\sin \alpha = p$ where $p$ is constant is
JEE Advanced
2002
MCQ
The pair of lines represented by
$3a{x^2} + 5xy + \left( {{a^2} - 2} \right){y^2} = 0$ are perpendicular to each other for
JEE Advanced
2001
MCQ
The number of integer values of $m$, for which the $x$-coordinate of the point of intersection of the lines $3x + 4y = 9$ and $y = mx + 1$ is also an integer, is
JEE Advanced
2001
MCQ
Area of the parallelogram formed by the lines $y = mx$, $y = mx + 1$, $y = nx$ and $y = nx + 1$ equals
JEE Advanced
2000
MCQ
The incentre of the triangle with vertices $\left( {1,\,\sqrt 3 } \right),\left( {0,\,0} \right)$ and $\left( {2,\,0} \right)$ is
JEE Advanced
2000
MCQ
Let $PS$ be the median of the triangle with vertices $P(2, 2),$ $Q(6, -1)$ and $R(7, 3).$ The equation of the line passing through $(1, -1)$ and parallel to $PS$ is
JEE Advanced
1999
MCQ
If ${x_1},\,{x_2},\,{x_3}$ as well as ${y_1},\,{y_2},\,{y_3}$, are in G.P. with the same common ratio, then the points $\left( {{x_1},\,{y_1}} \right),\left( {{x_2},\,{y_2}} \right)$ and $\left( {{x_3},\,{y_3}} \right).$
JEE Advanced
1999
MCQ
Lt $PQR$ be a right angled isosceles triangle, right angled at $P(2, 1)$. If the equation of the line $QR$ is $2x + y = 3,$ then the equation representing the pair of lines $PQ$ and $PR$ is
JEE Advanced
1999
MSQ
Let ${L_1}$ be a straight line passing through the origin and ${L_2}$ be the straight line $x + y = 1$. If the intercepts made by the circle ${x^2} + {y^2} - x + 3y = 0$ on ${L_1}$ and ${L_2}$ are equal, then which of the following equations can represent ${L_1}$?
JEE Advanced
1998
MCQ
The diagonals of a parralleogram $PQRS$ are along the lines $x + 3y = 4$ and $6x - 2y = 7$. Then $PQRS$ must be a.
JEE Advanced
1998
MCQ
If $\left( {P\left( {1,2} \right),\,Q\left( {4,6} \right),\,R\left( {5,7} \right)} \right)$ and $S\left( {a,b} \right)$ are the vertices of a parrallelogram $PQRS,$ then
JEE Advanced
1998
MSQ
If the vertices $P, Q, R$ of a triangle $PQR$ are rational points, which of the following points of the triangle $PQR$ is (are) always rational point(s)?
JEE Advanced
1995
MCQ
The orthocentre of the triangle formed by the lines $xy=0$ and $x+y=1$ is
JEE Advanced
1994
MCQ
The locus of a variable point whose distance from $\left( { - 2,\,0} \right)$ is $2/3$ times its distance from the line $x = - {9 \over 2}$ is
JEE Advanced
1994
MCQ
The equations to a pair of opposites sides of parallelogram are ${x^2} - 5x + 6 = 0$ and ${y^2} - 6y + 5 = 0,$ the equations to its diagonals are
JEE Advanced
1992
MCQ
If the sum of the distances of a point from two perpendicular lines in a plane is 1, then its locus is
JEE Advanced
1990
MCQ
Line $L$ has intercepts $a$ and $b$ on the coordinate axes. When the axes are rotated through a given angle, keeping the origin fixed, the same line $L$ has intercepts $p$ and $q$, then
JEE Advanced
1988
MCQ
If $P=(1, 0),$ $Q=(-1, 0)$ and $R=(2, 0)$ are three given points, then locus of the point $S$ satisfying the relation $S{Q^2} + S{R^2} = 2S{P^2},$ is
JEE Advanced
1988
MCQ
The lines $2x + 3y + 19 = 0$ and $9x + 6y - 17 = 0$ cut the coordinates axes in concyclic points.
JEE Advanced
1986
MCQ
The points $\left( {0,{8 \over 3}} \right),\,\,\left( {1,\,3} \right)$ and $\left( {82,\,30} \right)$ are vertices of
JEE Advanced
1986
MCQ
A vector $\overline a $ has components $2p$ and $1$ with respect to a rectangular cartesian system. This system is rotated through a certain angle about the origin in the counter clockwise sense. If, with respect to the new system, $\overline a $ has components $p + 1$ and $1$, then
JEE Advanced
1986
MSQ
All points lying inside the triangle formed by the points $\left( {1,\,3} \right),\,\left( {5,\,0} \right)$ and $\left( { - 1,\,2} \right)$ satisfy
JEE Advanced
1985
MSQ
Three lines $px + qy + r = 0$, $qx + ry + p = 0$ and $rx + py + q = 0$ are concurrent if
JEE Advanced
1983
MCQ
The straight lines $x + y = 0,\,3x + y - 4 = 0,\,x + 3y - 4 = 0$ form a triangle which is
JEE Advanced
1983
MCQ
The straight line $5x + 4y = 0$ passes through the point of intersection of the straight lines $x + 2y - 10 = 0$ and $2x + y + 5 = 0.$
JEE Advanced
1980
MCQ
The point $\,\left( {4,\,1} \right)$ undergoes the following three transformations successively.
Reflection about the line $y=x$.
Translation through a distance 2 units along the positive direction of x-axis.
Rotation through an angle $p/4$ about the origin in the counter clockwise direction.
Then the final position of the point is given by the coordinates.
JEE Advanced
1979
MCQ
The points $\left( { - a,\, - b} \right),\,\left( {0,\,0} \right),\,\left( {a,\,b} \right)$ and $\left( {{a^2},\,ab} \right)$ are :