If an electric train runs in the direction from North to South with a speed of 150 km/hr covering 2000 km, then in which direction will the smoke of its engine go ?
[ A ] N$\rightarrow$S
[ B ] S$\rightarrow$N
[ C ] E$\rightarrow$W
[ D ] No direction
Answer : Option D
Explanation :
An electric train does not emit smoke.
Therefore, no smoke will be going in any of the direction