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a given map is enlarged 3 times its original size which is 1;150,000 what will...

Geography
JAMB 2015

a given map is enlarged 3 times its original size which is 1;150,000 what will be the new scale?
  • A. 1 : 50,000
  • B. 1 : 75,000
  • C. 1 : 100,000
  • D. 1 : 450,000
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Correct Answer: Option A
Explanation
A is correct; when the map is enlarged the new scale is 1 : 50,000
A is correct. when the map is enlarged the representative fraction becomes smaller i.e. 1: 150,000/3
= 1: 50,000

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