Riddles, one at a time

Three Glass Panes

Which colour hides under the ? card?

Video · Medium Challenge link
Answer

B RED

Magenta stops green, yellow stops blue: red is left.

The Clock in the Water

Top and bottom swap in the water. What time does the real clock show?

Video · Hard Challenge link
Answer

7:50

Water flips top and bottom: flip the hands back up.

Split 8 Litres

Fewest pours to share it 4 L and 4 L?

Video · Genius Challenge link
Answer

7 pours

8→5, 5→3, 3→8, 5→3, 8→5, 5→3, 3→8: 4 L and 4 L.

A Quarter Turn

Which card do you get?

Video · Medium Challenge link
Answer

C

Clockwise, the left column becomes the top row. Card C.

Yesterday's Clue

What day is tomorrow?

Video · Medium Challenge link
Answer

Thursday

Yesterday was Tuesday, so today is Wednesday: tomorrow is Thursday.

Fold, Fold, Punch

Which pattern appears when it is opened?

Video · Hard Challenge link
Answer

D

Each fold mirrors the holes across its crease.

Challenge link