A city bus starts from station P and finishes at station Q. Between P and Q, it stops at 12 stations for 2 minutes each. When running, the bus runs at a speed of 40 km/hr. The bus covers distance between P and Q in 1 hour and 30 minutes. What is the distance travelled by bus?
1
40 km
2
44 km
3
60 km
4
55 km