1
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

Let $$\mathrm{ABC}$$ be a triangle with equations of its sides $$\mathrm{AB}, \mathrm{BC}$$. $$\mathrm{CA}$$ respectively are $$x-2=0, y-5=0$$ and $$5 x+2 y-10=0$$. Then the orthocentre of triangle lies on the line

A
$$ 3 x+y=1 $$
B
$$ x-2 y=1 $$
C
$$ 4 x+y=13 $$
D
$$ x-y=0 $$
2
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

For what value of $$\mathrm{a}$$ and $$\mathrm{b}$$ the intercepts cut off on the co-ordinate axes by the line $$a x-b y+8=0$$ are equal in length but opposite in signs to those cut off by the line $$2 x-3 y+6=0$$ on the axes

A
$$ a=\frac{8}{3} \quad b=-4 $$
B
$$ a=-\frac{8}{3} \quad b=4 $$
C
$$ a=-\frac{8}{3} \quad b=-4 $$
D
$$ a=\frac{8}{3} \quad b=4 $$
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find the direction in which a straight line must be drawn through the point $$(1,2)$$ so that its point of intersection with the line $$x+y=4$$ may be at a distance of $$\sqrt{\frac{2}{3}}$$ from this point.

A
$$ 60^{\circ} \text { or } 120^{\circ} $$
B
$$ 50^{\circ} \text { or } 100^{\circ} $$
C
$$ 15^{\circ} \text { or } 75^{\circ} $$
D
$$ 30^{\circ} \text { or } 150^{\circ} $$
4
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The perpendicular distance of a line from the origin is 5 units and its slope is $$-1$$. The equation of the line is

A
$$x+y \pm 5 \sqrt{2}=0$$
B
$$x-y \pm 2 \sqrt{5}=0$$
C
$$x+y \pm 2 \sqrt{5}=0$$
D
$$x-y \pm 5 \sqrt{2}=0$$
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