1
JEE Main 2019 (Online) 11th January Evening Slot
+4
-1
If in a parallelogram ABDC, the coordinates of A, B and C are respectively (1, 2), (3, 4) and (2, 5), then the equation of the diagonal AD is :
A
5x + 3y – 11 = 0
B
5x – 3y + 1 = 0
C
3x – 5y + 7 = 0
D
3x + 5y – 13 = 0
2
JEE Main 2019 (Online) 10th January Evening Slot
+4
-1
Two sides of a parallelogram are along the lines, x + y = 3 & x – y + 3 = 0. If its diagonals intersect at (2, 4), then one of its vertex is -
A
(2, 1)
B
(2, 6)
C
(3, 5)
D
(3, 6)
3
JEE Main 2019 (Online) 10th January Evening Slot
+4
-1
Two vertices of a triangle are (0, 2) and (4, 3). If its orthocenter is at the origin, then its third vertex lies in which quadrant
A
third
B
fourth
C
second
D
first
4
JEE Main 2019 (Online) 10th January Morning Slot
+4
-1
If 5, 5r, 5r2 are the lengths of the sides of a triangle, then r cannot be equal to -
A
$${7 \over 4}$$
B
$${5 \over 4}$$
C
$${3 \over 4}$$
D
$${3 \over 2}$$
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