DAY 125:

Today’s Challenge

Using the numbers 3, 4 and 5 just once each, and with + – × ÷ available, only four of the numbers on the list below are possible to achieve. Which ones are they?

1    3    6    9    10    12    15    18    21    24    27    30

Full details of our popular arithmetic & strategy board game can be found at it’s own dedicated website, mathematicallypossible.com.

The 7puzzle Challenge

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

The 1st & 7th rows of the playing board contain the following fourteen numbers:

2   4   9   11   14   15   22   24   27   30   40   70   72   77

Which multiple of 5, when subtracting 4 from it, becomes a square number?

Make 125 Challenge

Can you arrive at 125 by inserting 5, 10, 15 and 20 into the gaps on each line?

  •  ◯×◯+◯+◯ = 125
  •  ◯×◯–◯×◯ = 125
  •  ◯²–◯×(◯–◯) = 125
  •  (◯+◯)×(◯–◯) = 125
  •  ◯×◯+◯+double◯ = 125

Answers can be found here.

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