state gov PSTCL/PSPCL Clerk Mock Test 2021 Quantitative Aptitude Speed Time and Distance Average Speed
Ravi travelled from a place A to B at 40 km/h and from B to C at 60 km/h. If his average speed for the entire journey was 52 km/h, then AB : BC = ?
1
2 : 3
2
1 : 3
3
5 : 9
4
4 : 9