a person travels from his house to office from 11:10am to 12:10 am and covers a distence of 20km. find the average speed of the person. Select the correct option
A) 20.1km/h
B) 20.5km/h
C) 21.1km/h
D) 22.1km/h
E) 20km/h
time=12:10-11:10=1 hour   distance=20km   speed=20*1= 
<gadget id="calculator">20*1</gadget>
<output>20</output>
20km/h   ANSW20km/hR:20km/h
<result>E</result>
a person travels from his house to office from 11:10am to 12:10 am and covers a distence of 20km. find the average speed of the person.