Time and Distance on Arithmetic Aptitude related Questions and Answers

Question :   A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 40min will be. 1. 60 km/h 2. 55 km/h 3. 40 km/h 4. 70 km/h Answer :   1 - 60 km/h