1. A boat's speed in still water is 15 km/h and the stream flows at 5 km/h. How long to travel 30 km downstream?
Mid- A.1.50 hours
- B.2.50 hours
- C.2 hours
- D.1 hours
Boats & Streams interview questions
30 real Boats & Streams questions from the Aptitude bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.
2. A boat's speed in still water is 8 km/h and the stream flows at 2 km/h. How long to travel 24 km downstream?
Mid- A.2.90 hours
- B.1.90 hours
- C.2.40 hours
- D.3.40 hours
3. A boat's speed in still water is 10 km/h and the stream flows at 4 km/h. How long to travel 60 km downstream?
Mid- A.6.29 hours
- B.3.29 hours
- C.5.29 hours
- D.4.29 hours
4. A boat's speed in still water is 18 km/h and the stream flows at 3 km/h. How long to travel 30 km downstream?
Mid- A.0.93 hours
- B.1.43 hours
- C.1.93 hours
- D.2.43 hours
5. A boat's speed in still water is 12 km/h and the stream flows at 3 km/h. How long to travel 60 km downstream?
Mid- A.5 hours
- B.6 hours
- C.3 hours
- D.4 hours
6. A boat's speed in still water is 15 km/h and the stream flows at 4 km/h. How long to travel 42 km downstream?
Mid- A.2.21 hours
- B.3.21 hours
- C.1.71 hours
- D.2.71 hours
7. A boat's speed in still water is 10 km/h and the stream flows at 2 km/h. How long to travel 24 km downstream?
Mid- A.3 hours
- B.2.50 hours
- C.2 hours
- D.1.50 hours
8. A boat's speed in still water is 8 km/h and the stream flows at 2 km/h. How long to travel 60 km downstream?
Mid- A.6 hours
- B.7 hours
- C.8 hours
- D.5 hours
9. A boat's speed in still water is 15 km/h and the stream flows at 5 km/h. How long to travel 24 km downstream?
Mid- A.0.70 hours
- B.1.70 hours
- C.2.20 hours
- D.1.20 hours
10. A boat's speed in still water is 15 km/h and the stream flows at 5 km/h. How long to travel 60 km downstream?
Mid- A.3.50 hours
- B.4 hours
- C.3 hours
- D.2.50 hours
11. A boat's speed in still water is 10 km/h and the stream flows at 2 km/h. How long to travel 42 km downstream?
Mid- A.3 hours
- B.4.50 hours
- C.4 hours
- D.3.50 hours
12. A boat's speed in still water is 15 km/h and the stream flows at 5 km/h. How long to travel 42 km downstream?
Mid- A.1.60 hours
- B.3.10 hours
- C.2.60 hours
- D.2.10 hours
13. A boat's speed in still water is 18 km/h and the stream flows at 4 km/h. How long to travel 60 km downstream?
Mid- A.2.23 hours
- B.2.73 hours
- C.3.23 hours
- D.3.73 hours
14. A boat's speed in still water is 8 km/h and the stream flows at 5 km/h. How long to travel 24 km downstream?
Mid- A.1.35 hours
- B.2.85 hours
- C.2.35 hours
- D.1.85 hours
15. A boat's speed in still water is 12 km/h and the stream flows at 2 km/h. How long to travel 60 km downstream?
Mid- A.6.29 hours
- B.3.29 hours
- C.5.29 hours
- D.4.29 hours
16. A boat's speed in still water is 12 km/h and the stream flows at 5 km/h. How long to travel 30 km downstream?
Mid- A.2.76 hours
- B.1.26 hours
- C.2.26 hours
- D.1.76 hours
17. A boat's speed in still water is 18 km/h and the stream flows at 3 km/h. How long to travel 60 km downstream?
Mid- A.3.36 hours
- B.3.86 hours
- C.2.86 hours
- D.2.36 hours
18. A boat's speed in still water is 8 km/h and the stream flows at 4 km/h. How long to travel 30 km downstream?
Mid- A.2.50 hours
- B.3 hours
- C.2 hours
- D.3.50 hours
19. A boat's speed in still water is 8 km/h and the stream flows at 3 km/h. How long to travel 24 km downstream?
Mid- A.2.18 hours
- B.1.68 hours
- C.2.68 hours
- D.3.18 hours
20. A boat's speed in still water is 8 km/h and the stream flows at 4 km/h. How long to travel 60 km downstream?
Mid- A.6 hours
- B.4 hours
- C.7 hours
- D.5 hours
21. A boat's speed in still water is 18 km/h and the stream flows at 3 km/h. How long to travel 42 km downstream?
Mid- A.1.50 hours
- B.2.50 hours
- C.3 hours
- D.2 hours
22. A boat's speed in still water is 18 km/h and the stream flows at 2 km/h. How long to travel 30 km downstream?
Mid- A.2 hours
- B.2.50 hours
- C.1 hours
- D.1.50 hours
23. A boat's speed in still water is 10 km/h and the stream flows at 4 km/h. How long to travel 24 km downstream?
Mid- A.1.21 hours
- B.2.71 hours
- C.2.21 hours
- D.1.71 hours
24. A boat's speed in still water is 10 km/h and the stream flows at 5 km/h. How long to travel 42 km downstream?
Mid- A.3.30 hours
- B.2.30 hours
- C.3.80 hours
- D.2.80 hours
25. A boat's speed in still water is 8 km/h and the stream flows at 3 km/h. How long to travel 60 km downstream?
Mid- A.6.45 hours
- B.5.45 hours
- C.4.45 hours
- D.7.45 hours
26. A boat's speed in still water is 10 km/h and the stream flows at 5 km/h. How long to travel 60 km downstream?
Mid- A.4 hours
- B.5 hours
- C.6 hours
- D.3 hours
27. A boat's speed in still water is 18 km/h and the stream flows at 3 km/h. How long to travel 24 km downstream?
Mid- A.1.14 hours
- B.1.64 hours
- C.0.64 hours
- D.2.14 hours
28. A boat's speed in still water is 18 km/h and the stream flows at 4 km/h. How long to travel 30 km downstream?
Mid- A.1.86 hours
- B.1.36 hours
- C.2.36 hours
- D.0.86 hours
29. A boat's speed in still water is 15 km/h and the stream flows at 4 km/h. How long to travel 30 km downstream?
Mid- A.1.58 hours
- B.2.08 hours
- C.2.58 hours
- D.1.08 hours
30. A boat's speed in still water is 8 km/h and the stream flows at 3 km/h. How long to travel 42 km downstream?
Mid- A.4.82 hours
- B.4.32 hours
- C.3.82 hours
- D.3.32 hours
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