insurence exam ESIC SSO Mock Test 2022 Quantitative Aptitude Speed Time and Distance Problem on Trains
A train started at 9 pm and took 3 hours to reach Delhi from Patiala at the speed of 90 km/hr. After that the next day at 11 am, the train returned to Patiala at the speed of 135 km/hr. Find the average speed of the whole journey if time of stay at Delhi is also considered.
1
140/3 km/hr
2
135/7 km/hr
3
140/9 km/hr
4
135/4 km/hr
5
133/4 km/hr