20 JEE Main 2021 Straight Lines previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 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.
Let A be a fixed point ( 0 , 6 ) and B be a moving point ( 2 t , 0 ) . Let M be the mid-point of A B and the perpendicu…
Consider a triangle having vertices A ( - 2 , 3 ) ,   B ( 1 , 9 ) and C ( 3 ,   8 ) . If a line L passing thr…
Let a point P be such that its distance from the point 5 , 0 is thrice the distance of P from the point - 5 , 0 . If th…
Let A B C be a triangle with A ( - 3 , 1 ) and ∠ A C B = θ , 0 < θ < π 2 . If the equation…
Let A - 1 , 1 ,   B 3 , 4 and C 2 , 0 be given three points. A line y = m x ,   m > 0 , intersects lines…
The number of integral values of m so that the abscissa of point of intersection of lines 3 x + 4 y = 9 and y = m x + 1…
The equation of one of the straight lines which passes through the point ( 1 , 3 ) and makes an angles tan - 1 ( 2 ) wi…
The intersection of three lines x - y = 0 ,   x + 2 y = 3 and 2 x + y = 6 is a/an
In a triangle P Q R , the co-ordinates of the points P and Q are - 2 , 4 and 4 , - 2 respectively. If the equation of t…
The image of the point 3 , 5 in the line x - y + 1 = 0 , lies on :
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