Grades 11-12 Video Solutions 2025-2025_11-12

Video Transcription

Video Summary

The problem involves identifying which of six aliens around a table has the key to a flying saucer, with one group always telling the truth and the other always lying. The two cases considered are whether the square aliens are truth-tellers or the circular ones. By analyzing both cases, it is determined that if the square aliens tell the truth, then alien B has the key, as this configuration aligns correctly, with truthful statements from squares and consistent lies from circles. Thus, the key lies with alien B.

Keywords

aliens

truth-tellers

liars

key

puzzle