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प्रश्न
Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?
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उत्तर
Let the distance represented on the map be x cm.
The given information, in the form of a table, is as follows:
| Distance covered on road in (in km) | 18 | 72 |
| Distance represented on map (in cm) | 1 | x |
The distances covered on the road and represented on the map are directly proportional to each other. Therefore, we obtain
`18/1 = 72/x`
=> `x = 72/18`
=> x = 4
Hence, the distance represented on the map is 4 cm.
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