state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Speed Time and Distance Partial Speed
To travel 624 km, train A takes 6 hours more than train B. If however, the speed of train A is doubled, it would take 5 hours less than train B. The speed of the train B is:
1
39 km/h
2
56.7 km/h
3
21.3 km/h
4
74.5 km/h