state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Partial Speed
A truck travels at 90 km/hr for the first 1\(^\frac{1}{2}\) hours. After that it travels at 70 km/hr. Find the time taken by the truck to travel 310 kilometres.
1
4 hrs
2
3 hrs
3
2.5 hrs
4
3.5 hrs