Today’s Challenge

Start with the number 7.  Add 1 to this, then 3, then to that answer add 5, then 7 . . . and keep on adding consecutive odd numbers to the previous total.

What is the first answer you reach that is greater than 100?


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 7?
  2. What is the difference between the two multiples of 8?
  3. List THREE different numbers that have a sum of 100.



. . . can be found when clicking this.


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