Read the following facts below about a particular number:
- I am a 2-digit even number,
- When my two digits are added together, they make another 2-digit even number that is also a square number.
Which number am I?
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 & 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
What is the sum of the multiples of 11?
. . . can be found when clicking this.