Assertion (A) & Reason (B) MCQ

MCQ 11 Mark

Assertion (A):TA and TB are two tangents drawn from an external point T to a circle with centre ' O '. If $\angle TBA =75^{\circ}$ then $\angle ABO =25^{\circ}$.

Reason (R) : The tangent drawn at any point of a circle is perpendicular to the radius through the point of contact.

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

Answer

Correct option: D.

Assertion (A) is not true but Reason (R) is true.

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MCQ 21 Mark

Assertion (A) : If the graph of a polynomial intersects the x -axis at exactly two points, then the number of zeroes of that polynomial is 2 .
Reason $(R)$ : The number of zeroes of a polynomial is equal to the number of points where the graph of the polynomial intersects x -axis.

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

Answer

Correct option: A.

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

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Maths Assertion (A) & Reason (B) MCQ

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