The question consists of two statements, namely, Assertion (A) and Reason (R). Choose the correct option.

Assertion: The equation of y-axis is x = 0. The equation of line parallel to y-axis is x = a

Reason: x = 3 is parallel to the y-axis

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

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

Assertion (A) is true and Reason (R) is false.

Assertion (A) is false and Reason (R) is true.

answer is A.

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Detailed Solution

Given 2 statements:
Assertion: The equation of y-axis is x = 0. The equation of line parallel to the y-axis is x = a.
Reason: x = 3 is parallel to the y-axis.
As the x coordinate on y – axis is 0, the equation of y-axis will be x = 0.
Similarly, a line parallel to the y axis will have a constant x coordinate.
The equation of line parallel to y-axis will be x = a.
The statement assertion (A) is true.
As, x coordinate is constant.
x = 3 is parallel to the y-axis.
The statement reason (R) is true.
Also, reason (R) is a correct explanation of assertion (A).
Hence, option 1 is correct.

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