Q. The power of a locomotive is 315 kW and the total weight of the train is 2000 kN. If the track resistance is qN per kN, the maximum speed that the locomotive can attain on level track will be

• (A) 103 kmph
• (B) The motion of driver and follower will be in the opposite direction
• (C) either of (A) or (B) above
• (D) None of the above