Today’s Challenge

Using the numbers 2, 5 and 6 just once each, and with + – × ÷ available, which are the three target numbers from 1-10 that are impossible to make?


The 7puzzle Number Challenge

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

  1. What is the sum of the multiples of 11?
  2. What is the difference between the two square numbers?
  3. List the THREE pairs of numbers that have a sum of 57.



. . . can be found when clicking this.


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