Crossword Genius

Two Georges taking a test (4)

Ross

I believe the answer is:

viva

'test' is the definition.
(viva voce, type of oral examination)

'two georges taking a' is the wordplay.
'two georges' can mean two substitutions for 'george'.
'george' becomes 'VI' (King George VI).
'george' becomes 'V' (King George V).
'taking' says to put letters next to each other.
'vi'+'v'+'a'='VIVA'

(Other definitions for viva that I've seen before include "academic exam!" , "Long live! - oral exam" , "Long live! - an examination" , "Do well in Italian" , "Hail to the Spaniards" .)

I've seen this clue in The Times.
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