1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The angle between the lines $$2x=3y=-z$$ and $$6x=-y=-4z$$ is

A
30$$^\circ$$
B
45$$^\circ$$
C
90$$^\circ$$
D
0$$^\circ$$
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The point of intersection of the lines $${{x - 1} \over 2} = {{y - 2} \over 3} = {{z - 3} \over 4}$$ and $${{x - 4} \over 5} = {{y - 1} \over 2} = z$$ is

A
(0, 0, 0)
B
(1, 1, 1)
C
($$-$$1, $$-$$1, $$-$$1)
D
(1, 2, 3)
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

A vector perpendicular to the plane containing the points $$A(1, - 1,2),B(2,0, - 1),C(0,2,1)$$ is

A
$$8\widehat i + 4\widehat j + 4\widehat k$$
B
$$4\widehat i + 8\widehat j - 4\widehat k$$
C
$$\widehat i + \widehat j - \widehat k$$
D
$$3\widehat i + \widehat j + 2\widehat k$$
COMEDK Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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UPSC Civil Service
CBSE
Class 12