How many squares, of any size, are on a board divided up into 6 squares by 6 squares?
workings
hint
answer
print
www.brainbashers.com
/puzzle/ztki
share
Hint
How many 1 x 1 squares are there?
Answer
91 squares.
Reasoning
Squares of size:
1 x 1 = 36
2 x 2 = 25
3 x 3 = 16
4 x 4 = 9
5 x 5 = 4
6 x 6 = 1
Total = 36 + 25 + 16 + 9 + 4 + 1 = 91.
