MCQ
To find the final velocity from u, a and t, the equation used is:
Unit-2 Kinematics
A v^2 = u^2 + 2as
B s = (u + v)t/2
C v = u + at
D s = ut + (1/2)at^2
Explanation

v = u + at directly gives the final velocity from initial velocity, acceleration and time.