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BEBRAS 2023 Grade 5-6 Round 2 Ext Question 9

BEBRAS · BEBRAS 2023 Grade 5-6 Round 2 Ext

Question 9

Beaver draws this diagram to remember the code for each key. For example, the first key has code 791 and the bottom key has code 243.

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Alex has three keys with codes 73∗, 24∗∗, and 7∗1∗, where each ∗ is one hidden digit. Which group below could show Alex’s keys in that order?
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