Puzzle 613
Imagine a bottle recycling skip, empty other than one lonely bottle.
Every hour, on the hour, people come and put bottles into the skip.
The first hour, at noon, one person came and put a bottle in.
One hour later, two people each placed a bottle into the skip.
An hour later, four people each placed a bottle into the skip.
This doubling of people continued until 11pm, when the skip was finally full.
When was the skip exactly half full?
Puzzle 614
Complete this grid of four common 4-letter words written horizontally.
Once complete, the first and last columns are two related words.
| A | T | ||
| L | S | ||
| O | O | ||
| E | B |
Note: this puzzle is not interactive, and the squares cannot be clicked.
Puzzle 615
Can you find every occurrence of the word FEBRUARY 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 616
In each of these sentences, can you replace the missing number.
The number is written as a word (e.g. five, twenty-four, thirty-three), and each sentence is correct after the replacement.
This sentence contains exactly ? E's and not one more.
However, this sentence contains exactly ? S's, with a single Z.
Finally, to finish, this sentence has exactly ? I's.