Which of the following sets of displacements might be capable of bringing a car to its returning point ?

Which of the following sets of displacements might be capable of returning a car to its starting point?

A particle is given successive displacments. Which of the following sets of displacments could be capable of returning the particle to its initial position :

Which of the following set of points are collinear?

Which of the following set of points are non-collinear?

Which of the following is capable of doing work ?

Which of the following acids is not capable of undergoing HVZ reaction ?