Gchq Christmas Challenge 2024 Answers. The spy chief's christmas card includes seven puzzles, each referencing gchq's sites across the country, including manchester, london, scarborough, bude and cheltenham. In the second equation ti cannot be 12, 22 or 42, so it has to be 32, and hence t=3 and r=6.

Published 12th dec 2024, 10:06 gmt. In the second equation ti cannot be 12, 22 or 42, so it has to be 32, and hence t=3 and r=6.