A person covered a certain distance by train. If the speed of train increases by 20 km/hour, then, it will take 20 min less than the first time. If the speed of train reduces by 10 km/hour, then, it will take 16 min more than the first time. Then, find the speed of train and distance, respectively?
1
50 km/hr, 60 km
2
60 km/hr, 80 km
3
90 km/hr, 80 km
4
60 km/hr, 100 km
5
None of these