Answer — Exercise 5

One: refers to 'one bag' that Colin Wright takes with him on his trips.

Four: four months - the amount of time Colin stays in one place

Twenty-four: the number of countries visited by Charley

Twenty-four-hour: the time spent by Charley on the express train from Bangkok to Malaysia

Twenty-six: Colin's age

102: the number of days Charley travelled from Ireland to Australia

112: the number of different means of transport Charley went on