DAY 257:

Today’s Challenge

When using the numbers 2, 5 and 7 once each, with + – × ÷ available, can you list the 12 target numbers from 1-30 that are mathematically possible to achieve?

Full details of our popular arithmetic and strategy board game can be found by clicking Mathematically Possible.

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 3rd & 7th rows contain the following fourteen numbers:

4    11    13    24    25    27    30    36    42    45    66    70    77    80

Which three different numbers have a sum of 77?

Make 257 Challenge

Can you arrive at 257 by inserting 2, 4, 5, 8 and 9 into the gaps below?

²×◯+×(7+◯+◯) = 257

Answers can be found here.

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