The Main Challenge
When allocating each letter of the English alphabet a numerical value as follows, A=1 B=2 C=3 . . . Z=26, calculate your answer when adding up the values of the individual letters of:
MATHEMATICALLY POSSIBLE
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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 4th & 7th rows contain the following fourteen numbers:
3 4 10 11 24 27 30 32 35 44 54 60 70 77
Which three pairs of numbers all have a difference of 17?
The Factors Challenge
Which is the ONLY number from the following list that is a factor of 287?
3 5 7 9 11 13 15 17
The Mathematically Possible Challenge
Using 2, 7 and 10 once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?
80 81 82 83 84 85 86 87 88 89
#NumbersIn80s
The Target Challenge
Can you arrive at 287 by inserting 2, 3, 4, 5 and 6 into the gaps below?
- ◯²×◯²×◯+◯–◯ = 287
Answers can be found here.
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