Ten students have achieved perfect results in Hong Kong’s university entrance examinations, as more than 90 per cent of candidates achieved a passing grade in a new subject that replaced the city’s liberal studies curriculum. Students across the city received their results on Wednesday. Of the 10 perfect scorers, eight were “super top scorers,” who achieved top marks in an additional mathematics module on top of the core Chinese, English, and mathematics subjects, three electives, and a passing mark in Citizenship and Social Development. The top grade in the HKDSE exam is a 5** — the top 10 pe…