Test Index

WAEC Geography 2025 Papers

Question : 1

Total: 34

The scale of the map in representative fraction(RF) is

1:50,000
1:200,000
1:150,000
1:10,000

Validate

Solution:

Concept:

The representative fraction (RF) is the ratio between a distance on the map and the corresponding distance on the ground, expressed in the same units.

Explanation:

From the given scale, the map distance measured is

5

cm.

The corresponding ground distance is

10

km.

So,

5

cm on the map represents

10

km on the ground.

Therefore,

1

cm on the map represents:

\frac{10 \text{ km}}{5} = 2 \text{ km}

Convert

2

km into centimetres:

1 \text{ km} = 1000 \text{ m} = 100,000 \text{ cm}

2 \text{ km} = 200,000 \text{ cm}

Hence, RF is:

1 \text{ cm} : 200,000 \text{ cm} = 1:200,000

Answer:

1:200,000

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