Q1
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
A.
2 hours
B.
3 hours
C.
4 hours
AnswerD.
5 hours
E.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
Speed downstream= (13 + 4) km/hr
= 17 km/hr
Time taken to travel 68 km downstream
= hours
= 4 hours