MCQ

MCQ 11 Mark

A square has

A
all sides equal and diagonals
✓
all sides equal and diagonals equal
C
all sides unequal and diagonals unequal
D
none of these

Answer

Correct option: B.

all sides equal and diagonals equal

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MCQ 21 Mark

A rhombus has

✓
all sides equal and diagonals unequal
B
all sides equal and diagonals equal
C
all sides unequal and diagonals unequal
D
none of these

Answer

Correct option: A.

all sides equal and diagonals unequal

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MCQ 31 Mark

If the diagonals of a quadrilateral bisect each other at right angles, then this quadrilateral is

A
a rectangle
✓
a rhombus
C
a kite
D
none of these

Answer

Correct option: B.

a rhombus

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MCQ 41 Mark

An isosceles trapezium has

A
equal parallel sides
✓
equal non-parallel sides
C
equal opposite sides
D
none of these

Answer

Correct option: B.

equal non-parallel sides

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MCQ 51 Mark

A quadrilateral whose opposite sides are parallel, is called

A
a trapezium
B
a kite
✓
a parallelogram
D
none of these

Answer

Correct option: C.

a parallelogram

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MCQ 61 Mark

A quadrilateral having one and only one pair of parallel sides, is called

A
a rhombus
✓
a trapezium
C
a kite
D
none of these

Answer

Correct option: B.

a trapezium

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MCQ 71 Mark

The angles of a quadrilateral are in the ratio $3: 4: 5: 6$. The largest of these angles is

A
$90^{\circ}$
✓
$120^{\circ}$
C
$150^{\circ}$
D
$168^{\circ}$

Answer

Correct option: B.

$120^{\circ}$

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MCQ 81 Mark

The three angles of a quadrilateral are $65^{\circ}, 75^{\circ}, 80^{\circ}$. The fourth angle is

A
$50^{\circ}$
B
$90^{\circ}$
✓
$140^{\circ}$
D
$160^{\circ}$

Answer

Correct option: C.

$140^{\circ}$

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MCQ 91 Mark

A quadrilateral having two pairs of equal adjacent sides but unequal opposite sides, is called

A
a trapezium
✓
a kite
C
a parallelogram
D
none of these

Answer

Correct option: B.

a kite

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MCQ 101 Mark

The sum of all the angles of a quadrilateral is

A
$180^{\circ}$
B
$270^{\circ}$
C
$300^{\circ}$
✓
$360^{\circ}$

Answer

Correct option: D.

$360^{\circ}$

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MCQ 111 Mark

Assertion (A) : For a quadrilateral ABCD, if $\angle A +\angle B =180^{\circ}$, then, $\angle C +\angle D$ is also equal to $180^{\circ}$.
Reason (R) : The sum of all the four angles of a quadrilateral is $360^{\circ}$.

✓
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
B
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
C
Assertion (A) is true but Reason (R) is false.
D
Assertion (A) is false but Reason (R) is true.

Answer

Correct option: A.

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).

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MCQ 121 Mark

Assertion (A) : The diagonals of a parallelogram bisect each other.
Reason (R) : Opposite sides of a parallelogram are always equal.

A
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
✓
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
C
Assertion (A) is true but Reason (R) is false.
D
Assertion (A) is false but Reason (R) is true.

Answer

Correct option: B.

Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).

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