Riddles, one at a time

Old Phone Keys: Same as BOOK

Which of the four words types the same number as BOOK?

Video · Medium Challenge link
Answer

COOK

B and C share key 2, so BOOK and COOK both type 2665.

Flip-Flop Gates

Gates start as shown and flip after each box. Where does box 3 land?

Video · Hard Challenge link
Answer

BIN C

After boxes 1 and 2, box 3 goes left, right, right.

Sun Gate to Moon Gate

Sun Gate to Moon Gate

Fewest days from sun to moon?

Picture · Medium Challenge link
Answer

13 DAYS

Two oases then a tower: 3 + 5 + 2 + 3 = 13.

Roman Subtraction

What is LIV − XLIV, in Roman numerals?

Video · Medium Challenge link
Answer

X

LIV = 54 and XLIV = 44. 54 − 44 = 10, which is X.

Five Words Share a Secret

Five of these words share a secret. Which one does not?

Video · Genius Challenge link
Answer

THREAD

The others hide ONE, NINE, ONE, TWO and TEN. THREAD only looks like it hides THREE.

Yesterday's Clue

What day is tomorrow?

Video · Medium Challenge link
Answer

Thursday

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

Challenge link