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The speed of a boat downstream is 9 km/h...

The speed of a boat downstream is 9 km/h and the speed upstream is 5 km/h , then its speed in still water is _______ km/h

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PEARSON IIT JEE FOUNDATION-TIME AND DISTANCE -Test Your Concepts (Very Short Answer Type Questions)
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  4. The time taken by the faster train of length a metres running at x km/...

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  5. A train 120 m long is running with a speed of 64 km/h . What time is t...

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  6. If the speed of a boat downstream is x km/h and the speed upstream is ...

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  7. The speed of a boat in still water is 9 km/h and the speed of the stre...

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  8. If the speed of a boat in still water is u km/h and the speed of the ...

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  9. The speed of a boat downstream is 9 km/h and the speed upstream is 5 k...

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  10. The speed of a boat downstream is 9 km/h and the speed upstream is 5 k...

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  11. A person covers a distance of 300 km in 6 h by travelling at a constan...

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  12. How long does a train 300 m long travelling at a speed of 54km/h take ...

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  13. What time does a train 200 m long take to cross a bridge 800 m long i...

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  14. An employee, travelling at 20 km/h reaches his office half - an - hou...

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  15. A thief is travelling at a speed of 90 km/h in a car, whereas a police...

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  16. If a person travels 60 km at a speed of 30 km/h and the next 120 km at...

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  17. A bus travelling at 45 km/h takes 3 h more than that of another bus tr...

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  18. Two stations A and B are 500 km away. If two buses each start from sta...

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  19. Find the ratio of the times taken for a train 300 m long and travell...

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  20. If a train travelling at 54 kmph crosses a boy stand - ing on a plat...

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