JEE Main 2019 — Probability Question with Solution
From: JEE Main 2019 (Online) 12th April Morning Slot
Question
If three of the six vertices of a regular hexagon are chosen at random, then the probability that the triangle
formed with these chosen vertices is equilateral is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Choosing vertices of a regular hexagon alternate, here A1, A3, A5 or A2, A4, A6 will result in an equilateral triangle.
Hence the required probability = =
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This is a previous-year question from JEE Main 2019, covering the Probability chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.