state gov Jharkhand Police Constable Mock Test 2023 Quantitative Aptitude Speed Time and Distance Average Speed
A train covers a distance in 70 minutes, if it runs at a speed of 72 km/hr on an average. The speed at which the train must run to reduce the time of journey to 45 minutes, will be:
1
125 km/hr
2
135 km/hr
3
105 km/hr
4
112 km/hr