Hint
Each number in the poem indicates which letter of the answer is being used.
Answer
Wednesday.
Reasoning
Each number in the poem indicates which letter of the answer is being used.
6523 = seed
689 = say
751 = dew
421 = new
Therefore, '751 rhymes with you' is read as 'dew rhymes with you'.
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Puzzle 827
Recently Kevin had a party and because it was his birthday he wanted a mathematical cake!
He ordered a cake in the shape of a cube and had it completely iced (but of course the shop didn't ice the underneath because that just isn't very sensible).
He cut every side of the cake into three equal pieces, giving 27 slices of cake.
He ended up eating all of the pieces of cake that had exactly 2 sides with icing.
So, how many pieces did that leave for the guests?