Karim traveled 60 miles from Dhaka to Gazipur at a certain speed, If his speed per hour were 2 miles faster, he would need I ...

Answer: 
10 miles per hour
Karim traveled 60 miles from Dhaka to Gazipur at a certain speed, If his speed per hour were 2 miles faster, he would need I hour less to reach Gazipur. What was his initial speed ?