Test Index

JAMB Geography 2015 Paper

Question : 41

Total: 81

Solution:

Concept:

Enlarging a map reduces the denominator of the representative fraction.

Explanation:

The original scale is

1 : 150,000

When the map is enlarged 3 times, each original unit on the map now represents a smaller ground distance.

So the new denominator is obtained by dividing the old denominator by 3:

\frac{150,000}{3} = 50,000

Hence the new scale is

1 : 50,000

Answer:

1 : 50,000

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