Today’s Challenge
. . . is a typical number puzzle from a fellow enthusiast in Yokohama, Japan. If you enjoy doing these, you should visit Kojiro Tominaga’s twitter account, @Make_to10, for a range of similar challenges:
Can you insert 2, 3, 4, and 6 into the gaps on each line below so that all three answers equal 10, 20 and 30 respectively?
- (◯÷◯+◯)×◯ = 10
- (◯÷◯+◯)×◯ = 20
- (◯÷◯+◯)×◯ = 30
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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 & 6th columns of the playing board contain the following fourteen numbers:
7 13 21 22 27 30 36 40 49 54 55 56 60 64
Which two numbers, when each is doubled, also appear on the list?
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Answers
. . . can be found when clicking this.
