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. 45 min 2. 60 min 3. 55 min 4. 70 min Answer :   2 - 60 min