state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Partial Speed
Aman travelled from A to C at a speed of 60 km/hour. He then travelled back from C to B at a speed of 40 km/hr and further from B to A at a speed of 30 km/hr. A, B and C are collinear. He took 32.5 hours in the entire journey. Had he travelled from B to A while returning at 40 km/hr, he would have taken 2.5 hours lesser. Find the distance between A and B.
1
420 km
2
400 km
3
300 km
4
320 km