Question
Quantitative Ability and Data Interpretation Question on Speed Time and Distance
Swati can row a boat on still water at a speed of 5 km/hr. However, on a given river, it takes her 1 hour more to row the boat 12 km upstream than downstream. One day, Swati rows the boat on this river from X to Y, which is N km upstream from X. Then she rows back to X immediately. If she takes at least 2 hours to complete this round trip, what is the minimum possible value of N?
A
3
B
4.8
C
2
D
3.6
E
2.1
Answer
4.8
Explanation
Solution
The correct answer is option (B):4.8