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प्रश्न
Rohit goes 350 km in 5 hours. Find:
(i) his speed
(ii) the distance covered by Rohit in 6.2 hours
(iii) the time taken by him to cover 210 km.
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उत्तर
Distance covered = 350 km
Time taken = 5 hours
(i) ∴ Speed = `"Distance"/"Time"`
= `350/5`
= 70 km/h
(ii) Distance covered in 6.2 hours
= 70 × 6.2 km
= 434 km
(iii) Time taken to cover 210 km
= `"Distance"/"Time"`
= `210/70` hr
= 3 hours
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| S.No | Speed | Distance | Time (Hours) |
| i | 35 Km/hour | 280 Km | |
| ii | 40 Km/hour | 360 Km | |
| iii | 45 Km/hour | 315 Km | |
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| Log boat | 20 | 4 km per hour |
| Long tail boat | 600 | 12 km per hour |
| Motorboat | 800 | 20 km per hour |
| Machine boat | 6000 | 22 km per hour |
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| Type of boat | Catch of fish in one trip (in kg) |
Speed of the boat (how far it goes in one hour) |
| Log boat | 20 | 4 km per hour |
| Long tail boat | 600 | 12 km per hour |
| Motorboat | 800 | 20 km per hour |
| Machine boat | 6000 | 22 km per hour |
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