This is a Banana & Clock Puzzle which I recently came across on twitter. It caused quite a stir and promoted lots of discussion.
What do you think the answer on the final line is?
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 2nd & 3rd rows contain the following fourteen numbers:
8 13 17 25 28 36 42 45 48 55 63 64 66 80
What is the difference between the highest and lowest multiples of 6?
Make 294 Challenge
Can you arrive at 294 in two different ways when inserting 3, 4, 5, 6 and 7 into the gaps below?
◯×◯×(◯×◯–◯) = 294
Answers can be found here.
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