TED-Ed: The dungeon master's riddle | Alex Rosenthal

TED-Ed: The dungeon master's riddle | Alex Rosenthal

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

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In this video, a necromancer faces a challenge from adventurers who have fallen into a trap. Each adventurer drank a potion that compels them to answer one question with either truth or a lie. The necromancer must identify the cleric among them to neutralize the threat. Through logical analysis of the adventurers' statements, using concepts from Boolean algebra, the necromancer deduces the cleric's identity and resolves the situation.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What logical reasoning leads to the conclusion about Cedar's truthfulness?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the implications of Bjorn's statement regarding the truthfulness of the adventurers.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What final conclusion does the necromancer reach about the cleric's identity?

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