Exam board Edexcel has launched an investigation into how part of an A-level maths paper was leaked online.
Blacked-out images of two questions were shared on social media on Thursday afternoon.
Pearson, which runs Edexcel, said the images were circulated “in a very limited way” shortly before Friday’s Maths Paper 3 exam.
It reassured students no-one would be advantaged or disadvantaged and they would not have to re-sit the paper.
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The questions were first posted on Twitter in a now deleted post; the account holder urged students to get in touch, offering the whole paper for £70.
It is the third year in a row that A-level maths questions from an Edexcel paper were revealed online ahead of the exam.
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