Riddles, one at a time

Mirror Clock: The Long Wait

How long until the clock shows the next mirror time?

Video · Expert Challenge link
Answer

4 hours 11 minutes

16:61, 17:71, 18:81 and 19:91 are not real times. The next is 20:02, 4 h 11 min after 15:51.

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.

Turn the Wheel

Which word is hidden in the code?

Video · Hard Challenge link
Answer

CLOUD

Inner S, B, E, K, T sit under outer C, L, O, U, D.

Fewest Tokens: Pay 11

Which tokens pay 11 with the fewest tokens?

Video · Hard Challenge link
Answer

5 + 6

Just 2 tokens. Biggest first, 9 + 1 + 1, needs 3.

Old Phone Keys: 2283

Which of the four words types 2283?

Video · Medium Challenge link
Answer

CAVE

C and A are on 2, V on 8, E on 3: 2283.

Inside the Loop: Only One Is In

Which gem is INSIDE the loop?

Video · Medium Challenge link
Answer

A

A line from gem A to the edge crosses the wall an odd number of times; from B, C or D, an even number.

Challenge link