P and Q are 18 Kms. away. Two trains with speeds of 20 km/h and 15 km/h respectively start simultaneously from P and Q and travel in the same direction. They meet at a point R beyond Q is?
Answer & explanation
Correct answer: option 2
1st : 2nd
Speed 20 : 15
4 : 3
Distance 4 : 3
↓ ↓
1R → 18
3R → 54
Distance = QR = 54 Km