(a) Time
(b) Mass
(c) Area
(d) Velocity
Ans :- (d) Velocity

Explanation :-
Velocity is not scalar quantity.

• A scalar quantity is defined as the physical quantity that has only magnitude, for example, mass, energy,
  time, area and speed etc.
• A vector quantity is defined as the physical quantity that has both magnitude as well as direction like force momentum torque, impulse weight etc.