Today’s Challenge
Only one of the following 2-digit numbers can be divided exactly by 6. Which one?
26 34 38 44 46 50 56 62 64 74 78 86 98
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 3rd & 6th columns of the playing board contain the following fourteen numbers:
4 7 12 15 17 30 35 36 40 49 54 64 80 81
What is the difference between the highest and lowest multiples of 6?
Make 326 Challenge
Can you arrive at 326 by inserting 1, 2, 3, 4 and 5 into the gaps below?
(◯+◯)³+(◯³×◯²)–◯² = 326
Answers can be found here.
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