Can you solve it? The school with the best A-level results in the UK

Take the King's Maths School challenge

UPDATE: To read the solution click here

It's the beginning of term, so let's hear it for King's Maths School, a state sixth form college in London, which topped this year's A-level rankings: 69 per cent of A-levels taken by its students were A*, and 92 per cent were A or A*. Chapeau!

The school was founded in 2014 by King's College London, and caters for the mathematically gifted. Each year has about 70 students, of whom 1 in 4 has parents with no history of higher education. About 1 in 3 students progresses to Oxford or Cambridge, a higher proportion than any other school.

Add any vowel to the start of a word. i.e. MAZE ->AMAZE.

Add any consonant to the end of a word. i.e. CARD -> CARDS.

Delete two or more consecutive vowels. i.e. PLEASE ->PLSE.

Delete two or more consecutive consonants. i.e. STRING -> SING, RING, ING or STRI.

Double the entire word. i.e. AYE -> AYEAYE.