Riddles, one at a time
The Lake Word
Only one word looks the same in the lake. Which one?
Which letters look the same when flipped top to bottom?
CHOICE
Every letter of CHOICE is the same top and bottom, so the water cannot change it.
One Letter Is Hiding
Which letter is hidden in the mosaic?
K
Its tiles have 4 points or sides, not 8.
Fewest Tokens: Pay 24
Which tokens pay 24 with the fewest tokens?
Biggest first is not always fewest. A token can be used many times.
6 + 6 + 6 + 6
Just 4 tokens. Biggest first, 15 + 6 + 1 + 1 + 1, needs 5.
Two Candles: 20 cm and 15 cm
After how many hours are they the same height?
How big is the gap at the start, and how fast does it close?
2 hours
After 2 h: A is 20 − 8 = 12 cm, B is 15 − 3 = 12 cm.
Yesterday's Clue
What day is tomorrow?
Work out yesterday first, then count forward one day at a time.
Thursday
Yesterday was Tuesday, so today is Wednesday: tomorrow is Thursday.
Half a Turn
D
Rotate 180°: the top row lands at the bottom, reversed. Card D.