The Alan Turing Cryptography Competition

2023 edition. From the people behind the MathsBombe Competition.
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Chapter 6

"A final puzzle for you," read the message. "The answer isn't as obvious as it looks"

A sheet of square paper with the following written on it
5WHATISTH    (25, 90)  (26, 79)  (65, 30)  (34, 59)  (41, 51)    
4EAREAOFA    (29, 22)  (34, 59)  (26, 79)  (34, 31)  (16,  0)    
3CIRCLEOF    (13, 56)  (41, 39)  (50,  8)  (20, 27)  ( 9, 90)    
2RADIUSNI    (34, 59)  (41, 39)  (52, 34)  (34, 59)  (26, 79)    
1NEMDIVID    (16, 90)  (52, 34)  (10, 72)  (20, 63)  (29, 22)    
0EDBYPI?X    (34, 59)  (34, 59)  (16, 90)  (40, 18)  (16,  0)    
 01234567    (20, 63)  (10, 72)  ( 5, 27)  (16, 90)  (50, 45)    
             (36,  0)

There are actually two hidden questions in this image that will lead to two numbers. The answer we seek is the decimal value (accurate to three decimal places) of the larger number divided by the smaller.

Alan Turing Cryptography Competition 2023 is organised by the The Department of Mathematics at The University of Manchester.
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