A man started his journey on his journey on his car from location A and came back. The given graph shows his position at different times during the whole journey.
A) At what time did he start and end his journey?
B) What was the total duration of journey?
C) Which journey, forward or return, was of longer duration?
D) For how many hours did he not move?
E) At what time did he have the fastest speed?
A) From the graph , we can say that, the man started his journey at 5:30 am and ended at 6pm.
B) From the graph , we can say that, the total duration of journey is 
hours ie. From 5:30 am to 6pm.
C) From the graph , we can say that, the forward journey was of 
hours and the return journey was of 4 hours.
∴ The forward journey was of longer duration.
D) From the graph , we can say that, the man did not move for 6 hours(he did not move from 6:30 am to 9:30 am and 10am to 1pm).
E) From the graph , we can say that, the man had the fastest speed from 1pm to 2pm because in that interval he covered 60kms in just 1 hour.