Consider the following question and decide which of the statements is sufficient to answer the question.
Question:
Find the time taken by the boat to go 480 km downstream.
Statements:
I. The speed of the boat is 24 km/hr against the direction of the stream. The speed of stream is 3 km/hr.
II. The ratio of the speed of boat in still water to the speed of stream is 9 : 1.
1
Both statements I and II are sufficient
2
Only statement II is sufficient
3
Either statement I or II is sufficient
4
Only statement I is sufficient
5
Question Not Attempted