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Friday, 9 October

JEE Main Maths · Conic Sections

Coordinates of foci

Coordinates of foci (Conic Sections) was asked 2 times in 2 JEE Main shifts, 2024–2025, out of the 42 shifts Lumi analysed.

Times asked
2
in 2 shifts
Years
2024–2025
Usual format
Single correct
Multi-step
Pattern
New since 2024
repeats across shifts

How it is asked

  • Eccentricity of conic through foci of two conics
  • Hyperbola from ellipse foci and eccentricity

Difficulty

Easy 0Medium 2Hard 0

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 2 questions

Newest first, each with its options and official answer.

  1. 7 Apr 2025, Shift 2 · Q13Let e1e_1 and e2e_2 be the eccentricities of the ellipse x2b2+y225=1\frac{x^2}{b^2}+\frac{y^2}{25}=1 and the hyperbola…MediumSingle correct
  2. 9 Apr 2024, Shift 2 · Q15Let the foci of a hyperbola HH coincide with the foci of the ellipse E:(x−1)2100+(y−1)275=1E:\frac{(x-1)^2}{100}+\frac{(y-1)^2}{75}=1 and the eccentricity of…MediumSingle correct