X and Y starts at same time to ride from A to B, which is 80 km away from A. X travels 8 km/h slower than Y. Y reaches B and turns back meeting X, 16 km from B. Find Y's speed (in km/h).
Answer & explanation
Correct answer: option 3
Distance X Y
64 96
Speed 4 : 6
↓ ↓
(Diff. 2)
↓ ↓
×4 ×4
↓ ↓
8 24 km/h