A person travelled from A to B at 40 km/h and from B to A at 50 km/h. The entire journey took 6.3 hours. Find the distance between A and B.
Answer & explanation
Correct answer: option 3
Speed → 40 : 50
4 : 5
Time → 5 : 4 = 9 → ×0.7 → 6.3 (given)
↓
×0.7
↓
3.5
Distance = 40 × 3.5 = 140 km