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BECE Mathematics 2024 Paper

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Question : 8

Total: 40

Andrews drew three lines such that the length of the first one is 10 cm , the second is 15 cm longer than the first one and the third is 9 cm less than the second. Find the length of the third line.

4 cm
14 cm
34 cm
16 cm

Solution:

Concept:

Find the third length step by step using the given relationships between the three lines.

Explanation:

First line length

= 10\ \text{cm}

.

Second line is

15\ \text{cm}

longer than the first.

So, second length

= 10\ \text{cm} + 15\ \text{cm} = 25\ \text{cm}

.

Third line is

9\ \text{cm}

less than the second.

So, third length

= 25\ \text{cm} - 9\ \text{cm} = 16\ \text{cm}

.

Answer:

16\ \text{cm}

, i.e., Option D.

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