1

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

+4

-1

Let the lengths of intercepts on x-axis and y-axis made by the circle

x

x

^{2}+ y^{2}+ ax + 2ay + c = 0, (a < 0) be 2$${\sqrt 2 }$$ and 2$${\sqrt 5 }$$, respectively. Then the shortest distance from origin to a tangent to this circle which is perpendicular to the line x + 2y = 0, is equal to :2

JEE Main 2021 (Online) 26th February Evening Shift

MCQ (Single Correct Answer)

+4

-1

Let A(1, 4) and B(1, $$-$$5) be two points. Let P be a point on the circle

(x $$-$$ 1)

(x $$-$$ 1)

^{2}+ (y $$-$$ 1)^{2}= 1 such that (PA)^{2}+ (PB)^{2}have maximum value, then the points, P, A and B lie on :3

JEE Main 2021 (Online) 26th February Evening Shift

MCQ (Single Correct Answer)

+4

-1

If the locus of the mid-point of the line segment from the point (3, 2) to a point on the circle, x

^{2}+ y^{2}= 1 is a circle of radius r, then r is equal to :4

JEE Main 2021 (Online) 26th February Morning Shift

MCQ (Single Correct Answer)

+4

-1

In the circle given below, let OA = 1 unit, OB = 13 unit and PQ $$ \bot $$ OB. Then, the area of the triangle PQB (in square units) is :

Questions Asked from Circle (MCQ (Single Correct Answer))

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