Challenge link

Riddles, one at a time

Which gem is INSIDE the loop?

Video · Hard Challenge link
Answer

B

Gem B is inside; A, C and D sit in pockets that open to the outside.

Join 3, 6, 9... in order. What appears?

Video · Easy Challenge link
Answer

C LANTERN

3 to 45 traces a lantern; the rest are decoys.

A straight 15 m fence has a post every 3 m, with one at each end. How many posts are there?

Video · Easy Challenge link
Answer

6

15 ÷ 3 = 5 gaps, and 5 gaps need 6 posts.

Full explanation on the blog

After how many hours are they the same height?

Video · Medium Challenge link
Answer

4 hours

After 4 h: A is 12 − 8 = 4 cm, B is 8 − 4 = 4 cm.

Which tile belongs in the middle?

Video · Easy Challenge link
Answer

C

Only tile C has a dot AND stripes.

Which word fills the gap?

Video · Easy Challenge link
Answer

MILL

HILL to MILL changes H to M; MILL to MILK changes L to K.

Challenge link