other govt exam NPCIL Assistant Grade 1 (Paper I & Paper II) 2025 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
On a train journey of 700 km, the train was slowed down due to bad weather. The average speed of the train was reduced by 70 km/h and the time of the journey was increased by 30 minutes. The originally planned duration (in hours) of the train was:
1
3
2
2.5
3
2
4
3.5