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प्रश्न
A map is drawn to scale of 1:20000. Find: The distance on the map representing 4km
उत्तर
Scale = 1:20000
1km = 100000cm
4km = 400000cm
`"distance(map)"/"distance(land)"` = Scale
`"distance(land)"/(400000)" = (1)/(20000)`
4km distance on map
= `(400000)/(20000)`
= 20cm.
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