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Interactive, visual Paper 1 and Paper 2 practice. Mock exams pitched at 2025-paper difficulty, with timed sets and topic feedback.

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Pick a wrong answer on purpose — every distractor names the exact misconception behind it and shows the faster route.

Live distractor diagnosis

Paper 1

Pick the answer you would choose under time pressure

Let x and y be real numbers such that x² + y² = 20. What is the maximum possible value of 4x + 3y?

Each option triggers a different diagnosis. Try the tempting wrong answer, not just the one you know is correct.