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Friday, 9 October

JEE Main Maths · Conic Sections

Focal distance property

Focal distance property (Conic Sections) was asked 3 times in 3 JEE Main shifts, 2021–2026, out of the 42 shifts Lumi analysed.

Times asked
3
in 3 shifts
Years
2021–2026
Usual format
Single correct
Multi-step
Pattern
Frequent
repeats across shifts

How it is asked

  • Count complex numbers on circle and ellipse
  • Distance between foci from focal triangle area

Difficulty

Easy 0Medium 1Hard 2

Where it sits

Chapter: Conic Sections. Topic: Ellipse Eccentricity, 20 questions over 10 ideas.

Other repeat ideas in this topic

Every time it came

All 3 questions

Newest first, each with its options and official answer.

  1. 8 Apr 2026, Shift 2 · Q2The number of values of z∈Cz \in \mathbb{C}, satisfying the equations ∣z−(4+8i)∣=10|z - (4 + 8i)| = \sqrt{10} and…HardSingle correct
  2. 4 Apr 2025, Shift 2 · Q11The centre of a circle C is at the centre of the ellipse E:x2a2+y2b2=1E:\frac{x^2}{a^2}+\frac{y^2}{b^2}=1, a>ba>b. Let C pass through the foci F1F_1…HardSingle correct
  3. 3 Aug 2021, Shift 2 · Q74If an ellipse passes through the point (4,1)(4, 1) and has foci at (±3,0)(\pm3, 0), then its eccentricity isMediumSingle correct