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PIMSO 2025 - Mathematics - Primary 5 - National Round Question 27

PIMSO Maths · PIMSO 2025 - Mathematics - Primary 5 - National Round

Question 27

Apatuldok system of writing uses different characters formed by four dots connected by 3 lines. The lines may intersect. Two of these characters are shown below. How many more characters can be formed to complete the system?

Question illustration

Editorial note: Clarify whether every dot must be connected and explain how that changes the count.

Original choices: A. 24; B. 20; C. 18; D. 16.