Question : A scooterist sees a bus 1 km ahead of him moving with a velocity of 10 ms−1. With what speed the scooterist should move so as to overtake the bus in 100 s?
(A) 10mS^{-1}
(B) 15mS^{-1}
(C) 20mS^{-1}
(D) 17mS^{-1}
Answer : option (C)
Solution :
