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Friday, 9 October

JEE Main 2023 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 6 April 2023, Shift 1, Maths Q19

Question 19 of 90 in this shift, Maths question 19 of 30, Section A.

From the top A of a vertical wall AB of height 30 m, the angles of depression of the top P and bottom Q of a vertical tower PQ are 15∘15^\circ and 60∘60^\circ respectively, B and Q are on the same horizontal level. If C is a point on AB such that CB = PQ, then the area (in m2\mathrm{m^2}) of the quadrilateral BCPQ is equal to
  1. (1)200(3−3)200(3-\sqrt3)
  2. (2)600(3−1)600(\sqrt3-1)Official answer
  3. (3)300(3−1)300(\sqrt3-1)
  4. (4)300(3+1)300(\sqrt3+1)

Official answer

Option 2

NTA final key.

Chapter
Trigonometric Functions
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.