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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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