A man takes 6 hours 30 minutes in going by a cycle and coming back by scooter. He would have lost 2 hrs. and 10 minutes by going on cycle both ways. How long would it take him to go by scooter both ways?
1
4 hrs., 20 minutes
2
8 hrs., 40 minutes
3
13 hrs.
4
5 hrs., 20 minutes