The Ruritanian Go Kart Drivers' Championship is decided over a series of 9 races. For each event the winner is allocated 10 points, second gets 8 points and third gets 5 points. All other finishers are given 1 point. The championship leaders' placings are shown below and the drivers all finished in each race.

	Damon		Nigel		Michael		David		James
Circuit	Total	Pl.	Total	Pl.	Total	Pl.	Total	Pl.	Total	Pl.
Rague	10	1	5	3	8	2	1		1
Kolm	11		6		16	2	11	1	6	3
Ostrov	19	2	11	3	17		12		16	1
Vostok	29	1	19	2	18		13		21	3
Billard	39	1	27	2	23	3	14		22
Menz	47	2	28		24		24	1	27	3
Fondra	48		38	1	32	2	25		32	3
Hahn	49		43	3	40	2	35	1	33
Limberg	50		51	2	41		45	1	38	3

Which was the earliest race after which one of the leaders knew he could not win the Drivers' Championship?

CT Test 16 (30 questions, no key)

Save your progress