Potluck #1 · Who brought what?
Ava, Ben and Cleo each brought one dish (gingerbread, cheese board or sugar cookies) and wore one sweater (reindeer, green or red). No two match.
- Ben didn't bring the sugar cookies.
- Whoever wore the reindeer sweater didn't bring the gingerbread.
- Whoever wore the green sweater brought the cheese board.
- Ben didn't bring the cheese board.
- Ava didn't wear the reindeer sweater.
What did Cleo bring, and which sweater did Cleo wear?
Show the answer
Cleo: the sugar cookies, reindeer sweater. Full grid: Ava – cheese board, green; Ben – gingerbread, red; Cleo – sugar cookies, reindeer.
Masquerade #1 · Truth-tellers and Fibbers
At the masquerade, every guest is a Truth-teller (always tells the truth) or a Fibber (always lies).
- Ana says: “Cy is a Fibber.”
- Bram says: “Cy tells the truth.”
- Cy says: “Bram and I are the same type.”
Who tells the truth?
Show the answer
Bram, Cy. It's the only assignment where every Truth-teller's statement is true and every Fibber's is false (checked against all 8 combinations).
Ornament row #1 · What comes next?
Each ornament carries a number. They follow one rule.
What number goes on the next ornament?
Show the answer
33 Add 2, 4, 6, 8, then 10.
Table for four #1 · Seating plan
Four guests sit in a row of four chairs, numbered 1 to 4 from left to right.
- Cora doesn't sit next to Dan.
- Ben sits somewhere to the left of Dan.
- Dan sits at one end.
- Ben sits somewhere to the left of Cora.
Who sits in each chair, from left to right?
Show the answer
Ben, Cora, Ada, Dan. Only this order satisfies every clue (checked against all 24 orders).
Cookie split · Party math
A tray has 36 cookies. A third go to the kids' table, then half of what's left goes to the neighbors.
How many cookies are left on the tray?
Show the answer
12 36 − 12 = 24 left after the kids; half of 24 is 12 for the neighbors; 24 − 12 = 12.
