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Friday, 9 October

JEE Main 2025 · MathsMultiple choiceSingle correctMediumApplication

JEE Main 7 April 2025, Shift 2, Maths Q1

Question 1 of 75 in this shift, Maths question 1 of 25, Section A.

Let A={(α,β)∈R×R:∣α−1∣≤4 and ∣β−5∣≤6}A=\{(\alpha,\beta)\in\mathbf{R}\times\mathbf{R}: |\alpha-1|\le 4 \text{ and } |\beta-5|\le 6\} and B={(α,β)∈R×R:16(α−2)2+9(β−6)2≤144}B=\{(\alpha,\beta)\in\mathbf{R}\times\mathbf{R}: 16(\alpha-2)^2+9(\beta-6)^2\le 144\}. Then
  1. (1)A⊂BA\subset B
  2. (2)B⊂AB\subset AOfficial answer
  3. (3)A∪B={(x,y):−4≤x≤4, −1≤y≤11}A\cup B=\{(x,y): -4\le x\le 4,\ -1\le y\le 11\}
  4. (4)neither A⊂BA\subset B nor B⊂AB\subset A

Official answer

Option 2

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.