Dame Julia Higgins, who chairs the Advisory Committee on Mathematics Education, said all students should study maths until the age of 18.

BBC: Universities 'dumbing down on maths' to fill places

The tribunal heard the decision to implement regulation A19 was made by the Nottinghamshire Police Authority after a meeting in December 2010, despite a 44-page advisory report drawn up by lawyers warning the policy could breach employment laws on age discrimination.

BBC: Police forced retirement 'justified'