# Boats and Streams

Boats and Streams: Boats and Streams Formula, Boats and Streams Questions, Boats and Streams Problems and Boats and Streams Tricks for solving exercises

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## Online Aptitude Questions with Answers on Relative Velocity

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.**

1.  2 hours
2.  3 hours
3.  4 hours
4.  5 hours

Solution : 4 hours
Q2. **A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:**

1.  8.5 km/hr
2.  9 km/hr
3.  10 km/hr
4.  12.5 km/hr

Solution : 10 km/hr
Q3. **A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?**

1.  2 : 1
2.  3 : 2
3.  8 : 3
4.  Cannot be determined
5.  None of these

Solution : 8 : 3
Q4. **A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:**

1.  4
2.  5
3.  6
4.  10

Solution : 5

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Q5. **In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:**

1.  3 km/hr
2.  5 km/hr
3.  8 km/hr
4.  9 km/hr

Solution : 8 km/hr
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