If the distance between two points on a 1:25 000 map is 10cm, what would the same distance be on a map 1:50 000 map?

If the distance between two points on a 1:25 000 map is 10cm, what would the same distance be on a map 1:50 000 map?

A 25cm
B 20cm
C 15cm
D 10cm
E 5cm

jamb 1984 geography

The correct answer is E. 5cm

No explanation given

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