Directions : A train runs through cities A, B, C, D, E, F, G and H. The line graph indicates the time schedule of the train including times of arrival and departure.

Question 1: The overall average speed of the entire trip excluding stoppage time is nearly
(a) 46 km/h
(b) 75 km/h
(c) 81 km/h
(d) 65 km/h

Question 2: What percentage of time of the entire trip was actually spent travelling between the cities?
(a) 76%
(b) 42.4%
(c) 7.6%
(d) 92%

Question 3: The total stoppage time at the cities in the first half and second half of the total distance is in the ratio
(a) 2 : 1
(b) 1 : 3
(c) 3 : 1
(d) 1 : 2

Question 4: Between how many pairs of consecutive stations does the train run below the overall average speed of the entire trip?
(a) 3
(b) 2
(c) 1
(d) 4