JEE Main 2020 · MathsMultiple choiceSingle correctMediumCalculation

JEE Main 3 September 2020, Shift 1, Maths Q65

Question 65 of 75 in this shift, Maths question 15 of 25.

The foot of the perpendicular drawn from the point (4, 2, 3) to the line joining the points (1,

-2

, 3) and (1, 1, 0) lies on the plane :

(1) $x+2y-z=1$
(2) $x-2y+z=1$
(3) $x-y-2z=1$
(4) $2x+y-z=1$ Official answer

Official answer

Option 4

NTA final key (Sep 2020).

Chapter: Three Dimensional Geometry
Topic: Lines in 3D
Idea tested: Foot of the Perpendicular

Same idea in other shifts

Asked 12× in all

2 Apr 2026, Shift 2 · Q15Let the point $A$ be the foot of perpendicular drawn from the point $P(a, b, 0)$ on the line…MediumSingle correct
5 Apr 2026, Shift 2 · Q14Let a triangle PQR be such that P and Q lie on the line $\frac{x+3}{8}=\frac{y-4}{2}=\frac{z+1}{2}$ and are at a distance of 6 units from…MediumSingle correct
6 Apr 2024, Shift 1 · Q28Let $P$ be the point $(10,-2,-1)$ and $Q$ be the foot of the perpendicular drawn from the point $R(1,7,6)$ on the line passing through the…MediumNumerical value
30 Jan 2024, Shift 1 · Q16Let $(\alpha,\beta,\gamma)$ be the foot of perpendicular from the point $(1,2,3)$ on the line $\frac{x+3}{5}=\frac{y-1}{2}=\frac{z+4}{3}$ .…MediumSingle correct
31 Jan 2024, Shift 1 · Q29Let Q and R be the feet of perpendiculars from the point $P(a,a,a)$ on the lines $x=y,\ z=1$ and $x=-y,\ z=-1$ respectively. If…MediumNumerical value
13 Apr 2023, Shift 2 · Q16Let N be the foot of perpendicular from the point P $(1,-2,3)$ on the line passing through the points $(4,5,8)$ and $(1,-7,5)$ . Then the…MediumSingle correct
27 Jun 2022, Shift 2 · Q13Let the foot of the perpendicular from the point $(1, 2, 4)$ on the line $\frac{x+2}{4}=\frac{y-1}{2}=\frac{z+1}{3}$ be $P$ . Then the…MediumSingle correct
26 Feb 2021, Shift 2 · Q76Let L be a line obtained from the intersection of two planes $x+2y+z=6$ and $y+2z=4$ . If point $P(\alpha, \beta, \gamma)$ is the foot of…MediumSingle correct

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.