Which spell is used to open a locked door?
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Alockdoora
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Alohomora
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Alodoora
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Alomolock
B
Correct answer
Explanation
Alohomora is the standard unlocking charm - Hermione uses it throughout the series to open locked doors, including the third-floor corridor in Sorcerer's Stone. It's one of the most basic and useful utility charms in a wizard's repertoire.