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1
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

The radius of a circle is $\mathbf{5 ~ c m}$. A chord of this circle is equal to the radius. Then the length of the arc of this chord is:

A

3.14 cm

B

5.24 cm

C

2.62 cm

D

4.1 cm

2
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Equation of a circle whose area is 154 sq units and having $2 x-3 y+12=0$ and $x+4 y-5=0$ as diameters is
A
$x^2+y^2+6 x-4 y+36=0$
B
$x^2-y^2+6 x-4 y-36=0$
C
$x^2+y^2-6 x+4 y-36=0$
D
$x^2+y^2+6 x-4 y-36=0$
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The equation of the circle which touches the $$x$$-axis, passes through the point $$(1,1)$$ and whose centre lies on the line $$x+y=3$$ in the first quadrant is

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

The equation of a circle passing through the origin is $$x^2+y^2-6 x+2 y=0$$. The equation of one of its diameter is

A
$$3 x-y=0$$
B
$$x+y=0$$
C
$$x-3 y=0$$
D
$$x+3 y=0$$
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