16
8
3
12
√3
√5
√2
0
30
60
90
If θ is the angle between any two vectors when θ is equal to
π/4
π/2
π
Collinear
Vertices of a triangle
Vertices of a right angled triangle
None of these
The value of is
-1
1
If G is the centroid of a Δ ABC, then GA + GB + GC =
2
-25
25
20
Direction of zero vector
Does not exist
Is towards origin
Is indeterminate