JEE Main 2025 — Straight Lines Question with Solution
JEE Main 2025 (22 Jan Shift 1)
Question
Let the triangle PQR be the image of the triangle with vertices and in the line . If the centroid of is the point , then is equal to :
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
The centroid of be image of centroid of given triangle .
Centroid of .
Image of , w.r.t. line is
Then
and
Then
Centroid of .
Image of , w.r.t. line is
Then
and
Then Practice this on the real CBT interface
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This is a previous-year question from JEE Main 2025, covering the Straight Lines 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.