1. Helen divides 365 by each of 1, 2, 3, . . . , 365 in turn, writing down a list
Time allowed 3
12 hours.
of the 365 remainders. Then Phil divides 366 by each of 1, 2, 3, . . . , 366
Instructions • Full written solutions – not just answers – are
in turn, writing down a list of the 366 remainders. Whose list of
required, with complete proofs of any assertions
remainders has the greater sum and by how much?
you may make. Marks awarded will depend on the
clarity of your mathematical presentation. Work
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