1

JEE Main 2019 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

Three circles of radii a, b, c (a < b < c) touch each other externally. If they have x-axis as a common tangent, then :

2

JEE Main 2018 (Online) 16th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

If a circle C, whose radius is 3, touches externally the circle,

$${x^2} + {y^2} + 2x - 4y - 4 = 0$$ at the point (2, 2), then the length of the intercept cut by this circle C, on the x-axis is equal to :

$${x^2} + {y^2} + 2x - 4y - 4 = 0$$ at the point (2, 2), then the length of the intercept cut by this circle C, on the x-axis is equal to :

3

JEE Main 2018 (Offline)

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

If the tangent at (1, 7) to the curve x

touches the circle x

^{2}= y - 6touches the circle x

^{2}+ y^{2}+ 16x + 12y + c = 0, then the value of c is :4

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

Out of Syllabus

The tangent to the circle C

_{1}: x^{2}+ y^{2}$$-$$ 2x $$-$$ 1 = 0 at the point (2, 1) cuts off a chord of length 4 from a circle C_{2}whose center is (3, $$-$$2). The radius of C_{2}is :Questions Asked from Circle (MCQ (Single Correct Answer))

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