Q: A motorcycle has initial velocity of 5 m/s. After 3 seconds, the velocity is 7 m/s. The displacement of the motorcycle in 3 seconds is:
(a)21 m
(b)18 m
(c)36 m
(d)6 m
Correct Answer: (b)
The correct answer is (a) '21 m'. This question from the General Studies domain tests knowledge of Miscellaneous.