A person walks a distance from point P to Q at 30 km/h and from point Q to P 60 km/h. If he takes 6 hours to complete the journey, then what is the distance from point P to Q?
Answer & explanation
Correct answer: option 4
3 R → 6 hours
1 R → 2 hours
Distance 60 R = 60 × 2 = 120 km