Today’s Challenge
Study the seven clues below and place the numbers 1-9 into the nine positions. Each number should appear exactly once:
x x x
x x x
x x x
Clues:
- The 8 is directly right of the 9,
- The 9 is directly above the 6,
- The 6 is directly right of the 4,
- The 4 is higher than the 1,
- The 1 is further right of the 3,
- The 3 is lower than the 7,
- The 7 is directly above the 5.
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 2nd & 5th rows of the playing board contain the following fourteen numbers:
6 7 8 16 17 21 28 48 50 55 63 64 81 84
What is the biggest difference between two consecutive numbers on the above list?
Make 206 Challenges
Can you arrive at 206 on both lines by inserting 4, 5, 6 and 7 into the gaps in the first equation and 10, 12, 14 and 18 into the gaps in the other?
- ◯×◯×◯–◯ = 206
- ◯×◯+◯+◯ = 206
Answers can be found here.
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