Seven persons — A, B, C, D, E, F and G — each attend a seminar in a different month of the same year among January, February, March, April, May, June and July. C attends in January. Exactly three persons attend in the months between C and D. E attends in the month immediately before D. Exactly two persons attend in the months between E and A. B attends in the month immediately after C. F attends in the month immediately before A. How many persons attend in the months between B and F?

Question

Accepted Answer

Three. The order Jan..Jul is C, B, G, E, D, F, A. B is in February (2) and F is in June (6), so the persons in March, April and May (G, E, D) lie between them — three persons.

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