??
Puzzle 17
What comes next in this sequence:
2 · 3 · 5 · 7 · 11 · 31 · 71 · 91 · ?
?
Puzzle 18
Can you find every occurrence of the word AUGUST that appears in this grid (horizontally, vertically, or diagonally)?
The hint will reveal the number of times it occurs, but where are they?
Note: this puzzle is not interactive, and the letters cannot be selected.
?
Puzzle 19
How much soil is there …
… in a circular hole 2 metres deep and 1 metre across?
??
Puzzle 20
Assign every letter of the alphabet its numerical value: A=1, B=2, C=3, and so on, up to Z=26.
Can you find any common 6-letter words that have a total over 115?
For example, WIZARD = 23 + 9 + 26 + 1 + 18 + 4 = 81.