The rule applicable to the word Exhaust is Group VII when the word has an immediate -tion form, -ible. Therefore, the correct option is group VII.
The suffix refers to the letters part added to the word at the end of the word. Prefix refers to the part of the word that is being added at the beginning of the base word.
In the given, word, Exhaust the prefix added is -tion and -ible then it becomes Exhaustible and Exhaustion.
The rule applicable to the word Exhaust is Group VII when the word has an immediate -tion form, -ible. Therefore, the correct option is group VII.
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