MCQ

MCQ 11 Mark

How many circle can be drawn to pass through two given points?

A
$1$
B
$2$
C
$0$
✓
As many as possible.

Answer

Correct option: D.

As many as possible.

Three non $-$ collinear points define one specific circle.
From any two given points, infinite number of circles can be drawn.

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MCQ 21 Mark

How many circles can be drawn to pass through three non $-$ collinear points?

✓
$1$
B
$2$
C
$0$
D
As many as possible.

Answer

Correct option: A.

$1$

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MCQ 31 Mark

The total number of diameters of a circle is :

A
$1$
B
$2$
C
$4$
✓
Uncountable number.

Answer

Correct option: D.

Uncountable number.

The number of points in a circle is infinite.
So, the number of diametrically opposite points in a circle is also infinite.
Hence, the number of diameters of a circle is uncountable.

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MCQ 41 Mark

A circle of radius $r \ cm$ has a diameter of length:

A
$r \ cm$
✓
$2r \ cm$
C
$4r \ cm$
D
$\frac{\text{r}}{2}\text{cm}$

Answer

Correct option: B.

$2r \ cm$

Diameter $= 2r$ radius

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MCQ 51 Mark

A chord of a circle passing through its centre is equal to its :

A
Radius.
✓
Diameter.
C
Circumference.
D
None of these.

Answer

Correct option: B.

Diameter.

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MCQ 61 Mark

By joining any two points on a circle, we obtain its :

A
Radius.
B
Diameter.
✓
Chord.
D
Circumference.

Answer

Correct option: C.

Chord.

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MCQ 71 Mark

The longest chord of a circle is equal to its:

A
Radius.
✓
Diameter.
C
Circumference.
D
Perimeter.

Answer

Correct option: B.

Diameter.

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