railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance Partial Speed
Prerna starts from Place A at 5 am at constant speed of 50 km/h. She halts at Place B for half an hour and then drives at 30 km/h. If she reaches Place C at 8 : 30 am, which is 100 km away from Place A, how far is Place A from Place B ?
1
5 km
2
10 km
3
18 km
4
25 km