The Main Challenge
This is a Banana & Clock Puzzle which caused quite a stir and promoted lots of discussion on twitter:
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?
The Factors Challenge
Which FOUR from the following list of numbers are factors of 294?
2 3 4 5 6 7 8 9
The Mathematically Possible Challenge
Using 8, 10 and 12 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
60 61 62 63 64 65 66 67 68 69
#NumbersIn60s
The Target 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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