Sunday Times Teaser 2795 – No Mean Feat
by Nick MacKinnon
I bought a number of raffle tickets with consecutive numbers, some of which were coloured red and others coloured blue.
No number on a red ticket was the average of the numbers on two other red tickets. Likewise, no number on a blue ticket was the average of the numbers on two other blue tickets.
My two digit winning number was on a red ticket and was the geometric mean of the numbers on two other red tickets.
What were my blue numbers?
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