Today’s Challenge
Can you divide these nine numbers into three groups of three so that the sum of each group is the same?
11 25 35 43 51 63 73 85 91
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 1st & 3rd rows of the playing board contain the following fourteen numbers:
2 9 13 14 15 22 25 36 40 42 45 66 72 80
What is the difference between the 2nd highest even number and 2nd lowest odd number?
Make 204 Challenge
Can you arrive at 204 by inserting 4, 5, 6 and 9 into the gaps below?
(◯+◯×◯)×◯ = 204
Answers can be found here.
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