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Saturday, 31 October

JEE Main 2022 · MathsMultiple choiceSingle correctHardMulti-step

JEE Main 27 July 2022, Shift 2, Maths Q11

Question 11 of 90 in this shift, Maths question 11 of 30, Section A.

The equations of the sides AB, BC and CA of a triangle ABC are 2x+y=02x + y = 0, x+py=39x + py = 39 and x−y=3x - y = 3 respectively and P(2, 3) is its circumcentre. Then which of the following is NOT true ?
  1. (1)(AC)2=9p(AC)^2 = 9p
  2. (2)(AC)2+p2=136(AC)^2 + p^2 = 136
  3. (3)32<area (ΔABC)<3632 < \text{area}\ (\Delta ABC) < 36
  4. (4)34<area (ΔABC)<3834 < \text{area}\ (\Delta ABC) < 38Official answer

Official answer

Option 4

NTA final key.

Chapter
Straight Lines
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 108 of the 174 JEE Main shifts held from 2017 to 2026.