Consider the statement: ‘Bilal does not pass the chemistry test unless Bilal revises every evening.’ Which of the following means the same?
Correct answer B. If Bilal does not revise every evening, then Bilal does not pass the chemistry test.
Explanation
'X unless Y' means 'if not Y, then X'. Here, when the 'unless' condition fails, the main clause must hold; nothing is promised when the condition is met.
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