Imperial Mathematics and Computer Science (GG41) interview 2026: dates, questions, format and success rate
How Imperial interviews for Mathematics and Computer Science: the format, the questions reported for it, and the practice interview built on them.
Figures from imperial.ac.uk, checked 2 November 2026.
At a glance
- Who's interviewed: Some candidates, at the admissions tutors' discretion
- Before it: TMUA
How the Imperial Mathematics and Computer Science (GG41) interview runs
- Before: TMUA
Applied: 455. Offered: 79 (2025 entry (2025 UCAS cycle)).
Questions asked
- Reported question: How many piano tuners are there in London?
- Reported question: What does it mean to say an algorithm is O(n log n)?
- Reported question: Why is binary search O(log n), and what property must the input have for it to work at all?
Every question reported for this course is open with a free account.
Imperial Mathematics and Computer Science (GG41) interview FAQ
Is there a test?
TMUA.
Related
- Imperial Computing (G401) interview
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