JEE Main 2021 — Circle Question with Solution
From: JEE Main 2021 (Online) 17th March Morning Shift
Question
The line 2x y + 1 = 0 is a tangent to the circle at the point (2, 5) and the centre of the circle lies on x 2y = 4. Then, the radius of the circle is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C3
Step-by-step explanation
a = 8
Centre (8, 2)
Radius =
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This is a previous-year question from JEE Main 2021, covering the Circle chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.