Pick the correct statements

Average speed of a particle in a given time is never less than the magnitude of the average velocity.

The average velocity of a particle moving on a straight line is zero in a time interval. It is possible that the instantaneous velocity is never zero in the interval. (Infinite acceleration is not allowed)

It is possible to have a situation in which $\left|\raisebox{1ex}{$du$}\!\left/ \!\raisebox{-1ex}{$dt$}\right.\right|\ne 0$ but  $\frac{d\left|u\right|}{dt}=0$.

The average velocity of a particle is zero in a time interval. It is possible that the instantaneous velocity is never zero in the interval.