Bus A leaves a station every 8 minutes.
Bus B leaves the station every 10 minutes.
Bus C leaves the station every 12 minutes.
All three buses leave the station at the same time.
Work out how long it will take for all three buses to leave the station at the same time again.
59 exam-style questions on Edexcel GCSE Maths Prime Factors, HCF and LCM. Each one has a worked solution and a mark scheme showing where the marks go.