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प्रश्न
The length of a river in a map is 54cm. if lcm on the map represents 12500m on land, find the length of the river.
उत्तर
1 cm on map represents 12500 m on land
1 cm represents 12.5km on land
Length of river on map = 54 cm
Actual length of the river = 54 x 12.5 = 675.000 km = 675 km
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