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Solution


Q.

Assertion (A): The tangents drawn at the end points of a diameter of a circle, are parallel.

Reason (R): Diameter of a circle is the longest chord.
1 Both, Assertion (A) and Reason (R) are true and Reason (R) is correct explanation of Assertion (A).  
2 Both, Assertion (A) and Reason (R) are true but Reason (R) is not correct explanation for Assertion (A).  
3 Assertion (A) is true but Reason (R) is false.  
4 Assertion (A) is false but Reason (R) is true.  

Ans.

(2)

Assertion: Two parallel tangents always lie at the end points of the diameter of the circle.

Reason: Diameter is the longest chord of a circle which passes through centre joining the two points on the circumference of a circle.

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