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
A
ellipse -
B
parabola
C
hyperbola
D
none of these
2
IIT-JEE 1992
MCQ (Single Correct Answer)
If the sum of the distances of a point from two perpendicular lines in a plane is 1, then its locus is
A
square
B
circle
C
straight line
D
two intersecting lines
3
IIT-JEE 1990
MCQ (Single Correct Answer)
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
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
A
a straight line parallel to x-axis
B
a circle passing through the origin
C
a circle with the centre at the origin
D
a straight line parallel to y-axis.
Questions Asked from Straight Lines and Pair of Straight Lines
On those following papers in MCQ (Single Correct Answer)
Number in Brackets after Paper Indicates No. of Questions
