Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Assertion (A): A triangle can have at the most one obtuse angle while a quadrilateral can have at the most three obtuse angles.
Reason ( $R$ ): The sum of the angles of a triangle is $180^{\circ}$ while the sum of the angles of a quadrilateral is $360^{\circ}$.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 21 Mark

Assertion (A): If the diagonals of a quadrilateral bisect each other then it is a parallelogram.
Reason (R): The opposite sides being equal and parallel, a parallelogram is a symmetrical figure and so diagonals bisect each other.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 31 Mark

Assertion (A): A kite has two pairs of equal adjacent sides but unequal opposite sides.
Reason (R): Every kite is a parallelogram.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 41 Mark

Assertion (A): If the diagonals of a quadrilateral are unequal and intersect each other at right angles then it is a parallelogram.
Resson ( $R$ ): Every parallelogram is a trapezium

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 51 Mark

Assertion (A): In a square $A B C D$, the diagonals meet at point $O$. Then, $\triangle A O B$ is an isosceles right-angled triangle.
Reasen ( $R$ ): The diagonals of a square are equal and bisect each other at right angles

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 61 Mark

Asertion ($A$ ): If the diagonals of a quadrilateral intersect at right angles then it is necessarily a rhombus.
Reason (R): The diagonals of a rhombus bisect each other at right angles.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 71 Mark

Assertion $(A )$ : If the diagonals of a quadrilateral are equal then it is necessarily a rectangle.
Reason (R): The diagonals are equal in a rectangle and a square and every square is a rectangle.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MCQ 81 Mark

Assertion (A): If the diagonals of a quadrilateral bisect each other at right angles then it is necessarily a square.
Reason ($R )$ : Every square is a rectangle.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true

Answer

self

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MATHS Assertion (A) & Reason (B) MCQ

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