In a conference with 5 speakers – A, B, C, D, E – the following rules apply for their presentation order: 1. A speaks before B. 2. C speaks before D. 3. E speaks after B but before D. 4. The person speaking immediately after A cannot speak immediately before D. Which of the following sequences is NOT possible?
In a conference with 5 speakers – A, B, C, D, E…
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