_AHA! Puzzle This By Michael H. Pryor

MAKE’s favorite puzzles. (When you’re ready to check your answers, visit makezine.com/15/aha.)

Festival Lineup

A music festival was held last week for 4 days, with 1 show each night at a different time between 8: 30 and 8: 50. Each of the 4 performers played their favorite instrument, for 1 night only.

Ted did not play the violin. The Thursday show started at 8: 30, but Brett did not perform. Jason,

who doesn’t play the flute, starred in a time slot that was 5 minutes later than the person who played the piano. The Sunday show featured a flute. The 8: 40 show was not the Friday show. Brett did not play the Saturday show. Dan played on Friday, but did not play the piano. The 8: 50 show featured a guitar.

Who played what and when?

Russian Roulette After sending competing assassins to each other’s castles, the evil king and the evil queen decide to settle their differences face to face. The king proposes a game of Russian roulette, and the queen accepts. The king then places 2 bullets in 2 consecutive chambers of the 6-chamber revolver and gives the cylinder a spin. He points the gun at himself and pulls the trigger … click! He hands the gun to the queen and says, “You can give it another spin if you want, or you can just pull the trigger.” What does the queen’s sage advise her to do?

Illustrations by Roy Doty

Michael Pryor is the co-founder and president of Fog Creek Software. He runs a technical interview site at techinterview.org.

180 Make: Volume 15