Today’s Challenge
All of the following 3-digit numbers are divisible by 3, except one. Which one?
102 111 117 126 132 139 144 153 162 168 174 180
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 3rd & 7th rows contain the following fourteen numbers:
4 11 13 24 25 27 30 36 42 45 66 70 77 80
What is the highest multiple of 9 on this list?
Make 260 Challenge
Can you arrive at 260 by inserting 1, 2, 3, 4 and 5 into the gaps on each line?
- (◯³–◯)×◯×◯÷◯ = 260
- (◯+◯)²×(◯+◯)+◯³ = 260
Answers can be found here.
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