Bite-sized brain teaser to solve in a minute or less.

The Lake Puzzle
Category: Growth Patterns
A patch of lily pads doubles in size every day.
It covers the entire lake on Day 30.
On what day did it cover half the lake?
A) Day 15
B) Day 29
C) Day 28
Solution
| If it doubles every day, then the day before it covered the entire lake, it covered half.
Answer: B) Day 29 |
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