JEE Main 2022 · MathsMultiple choiceSingle correctEasyCalculation

JEE Main 27 June 2022, Shift 1, Maths Q13

Question 13 of 90 in this shift, Maths question 13 of 30, Section A.

Let the eccentricity of an ellipse

\frac{x^2}{a^2}+\frac{y^2}{b^2}=1

a>b

, be

\frac{1}{4}

. If this ellipse passes through the point

\left(-4\sqrt{\frac{2}{5}}, 3\right)

, then

a^2+b^2

is equal to :

(1)29
(2)31Official answer
(3)32
(4)34

Official answer

Option 2

NTA final key.

Chapter: Conic Sections
Topic: Ellipse Eccentricity
Idea tested: Eccentricity calculation

Same idea in other shifts

Asked 11× in all

5 Apr 2026, Shift 1 · Q9Let a focus of the ellipse $E: \frac{x^2}{a^2}+\frac{y^2}{b^2}=1$ be $S(4, 0)$ and its eccentricity be $\frac{4}{5}$ . If the point…EasySingle correct
1 Feb 2024, Shift 1 · Q12For $0<\theta<\pi/2$ , if the eccentricity of the hyperbola $x^2-y^2\mathrm{cosec}^2\theta=5$ is $\sqrt{7}$ times eccentricity of the…MediumSingle correct
1 Feb 2024, Shift 2 · Q13Let $P$ be a point on the ellipse $\frac{x^2}{9}+\frac{y^2}{4}=1$ . Let the line passing through $P$ and parallel to $y$ -axis meet the…HardSingle correct
6 Apr 2023, Shift 2 · Q2In a group of 100 persons 75 speak English and 40 speak Hindi. Each person speaks at least one of the two languages. If the number of…EasySingle correct
25 Jul 2022, Shift 2 · Q12If the ellipse $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$ meets the line $\frac{x}{7}+\frac{y}{2\sqrt{6}}=1$ on the $x$ -axis and the line…EasySingle correct
30 Jun 2022, Shift 1 · Q15Let the eccentricity of the ellipse $x^2 + a^2y^2 = 25a^2$ be b times the eccentricity of the hyperbola $x^2 - a^2y^2 = 5$ , where a is the…HardSingle correct
25 Jul 2021, Shift 1 · Q61Let an ellipse $E:\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$ , $a^2>b^2$ , passes through $\left(\sqrt{\frac{3}{2}},1\right)$ and has eccentricity…HardSingle correct
9 Jan 2020, Shift 1 · Q66If $\mathrm{e}_1$ and $\mathrm{e}_2$ are the eccentricities of the ellipse, $\frac{x^2}{18}+\frac{y^2}{4}=1$ and the hyperbola,…EasySingle 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 108 of the 174 JEE Main shifts held from 2017 to 2026.