JEE Main 2025 · MathsNumerical answerNumerical valueHardMulti-step

JEE Main 2 April 2025, Shift 1, Maths Q22

Question 22 of 75 in this shift, Maths question 22 of 25, Section B.

The absolute difference between the squares of the radii of the two circles passing through the point

(-9, 4)

and touching the lines

x+y=3

and

x-y=3

, is equal to ___________.

Official answer

768

NTA final key.

Chapter: Conic Sections
Topic: Circle Tangents
Idea tested: Family of Circles Touching a Line

Same idea in other shifts

Asked 4× in all

6 Apr 2026, Shift 2 · Q10Let C be a circle having centre in the first quadrant and touching the $x$ -axis at a distance of 3 units from the origin. If the circle C…MediumSingle correct
25 Jul 2022, Shift 1 · Q29The sum of diameters of the circles that touch (i) the parabola $75x^2=64(5y-3)$ at the point $\left(\frac{8}{5},\frac{6}{5}\right)$ and…HardNumerical value
6 Sep 2020, Shift 2 · Q65The centre of the circle passing through the point $(0,1)$ and touching the parabola $y=x^2$ at the point $(2,4)$ is :HardSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.