Today’s Challenge
. . . is from the excellent 24game. Using the numbers 2, 4, 6 and 8 once each, and with all four operations + – × ÷ available, show how you can reach the target number of 24.
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 & 4th rows of the playing board contain the following fourteen numbers:
3 10 13 25 32 35 36 42 44 45 54 60 66 80
From the list, find the THREE pairs of numbers that have a sum of 57.
Make 9 Challenge
Can you arrive at 9 by inserting 3, 4, 5 and 6 into the gaps on each line?
- ◯×◯–(◯+◯) = 9
- ◯+◯×(◯–◯) = 9
- ◯²–◯×(◯÷◯)² = 9
- ◯+(◯+◯)÷◯ = 9
Answers can be found here.
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