Riddles, one at a time


Five Sheets, One Pile
Which sheet was placed SECOND?
Video · Medium
Challenge link
Answer
SHEET E
Order: C, E, A, D, B. Lift them off and see.


What Comes Next?
Which tile, A, B, C or D, comes next?
Picture · Medium
Challenge link
Answer
C
Turn 135 degrees clockwise and add one dot.
Fewest Tokens: Pay 14
Which tokens pay 14 with the fewest tokens?
Biggest first is not always fewest. Try every pair.
Video · Hard
Challenge link
Answer
7 + 7
Just 2 tokens. Biggest first, 10 + 1 + 1 + 1 + 1, needs 5.
Lighthouse Flashes
A lighthouse flashes evenly. From the 1st flash to the 6th takes 5 seconds. How long from the 1st flash to the 11th?
Count the gaps between flashes, not the flashes.
Video · Hard
Challenge link
Answer
10 seconds
Flash 1 to flash 6 is 5 gaps, so each gap is 1 second. Flash 1 to 11 is 10 gaps.


One Word, Three Pairs
Picture · Medium
Challenge link
Answer
WORK
Firework, workshop, homework, workout, network, workbook.
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