5 JEE Main 2018 Straight Lines previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 previous-year questions from the Straight Lines chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Straight Lines chapter hub.
The foot of the perpendicular drawn from the origin, on the line, 3 x+y=λ(λ ≠ 0) is P. If the line meets x-axis at A an…
The sides of a rhombus A B C D are parallel to the lines, x-y+2=0 and 7 x-y+3=0. If the diagonals of the rhombus inters…
A straight line through a fixed point 2 , 3 intersects the coordinate axes at distinct points P and Q . If O is the ori…
The locus of the point of intersection of the lines 2 x - y + 4 2 k = 0 and 2 k x + k y - 4 2 = 0 ( k is any non-zero r…
In a triangle A B C, coordianates of A are (1,2) and the equations of the medians through B and C are x+y=5 and x=4 res…