30th Anniversary Puzzle and Solution

30th Anniversary Puzzle and Solution

The United Kingdom Mathematics Trust was founded in October 1996 with the late Dr Peter Neumann as its first Chair.
 
As it approaches its 30th birthday, UKMT continues to go from strength to strength under the dynamic leadership of Dr Geoff Smith.
 
                G    E    O    F    F    +
                S    M    I    T    H
                M    A    T    H    S
 
The letters A, E, F, G, H, I, M, O, S and T represent different digits in the addition above with O < I.

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30th Anniversary Puzzle and Solution

Site maintenance 14.10.23 01:00 – 06:00. Interruptions should be minimal, but please be aware the site may be unavailable during these times for a short period

Site maintenance 14.10.23 01:00 – 06:00. Short interruptions are possible during these times