A question is given, followed by three statements labelled
I. II and
III. Identify which of the statements is/are sufficient to answer the question. Question How much time (in hours) will a boat take to go 25 km downstream? Statements:
I. The time taken by the boat to go a certain distance downstream is 7/10 of the time taken by it to go the same distance in still water.
II. The boat takes 6 hours to go 49 km downstream and 14 km upstream
III. The ratio of the speed of the boat in still water and the speed of the current is 7 : 3.