Today’s Challenge
In all four groups below, it is possible to make 24 by using the four numbers once each, with + – × ÷ available. Can you show how to achieve the target number of 24 in each case?
- 3 3 3 3
- 4 4 4 4
- 5 5 5 5
- 6 6 6 6
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 1st & 4th rows of the playing board contain the following fourteen numbers:
2 3 9 10 14 15 22 32 35 40 44 54 60 72
What is the sum of the multiples of 6 listed above?
Make 40 Challenge
Can you arrive at 40 by inserting 2, 4, 5 and 10 into the gaps on each line?
- (◯+◯–◯)×◯ = 40
- (◯–◯)×◯×◯ = 40
- ◯²×◯²×◯÷◯ = 40
Answers can be found here.
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