Friends Maddie, Carmen, Dean, Holly and Dennis found a new café that had just opened a few weeks ago and decided to try it out. Each wore a different-colored T-shirt (black, blue, green, orange, and red).

Test your skills of deduction with the March 2023 edition of Riddle Me This: How Many? How many four-sided 90-degree shapes (squares and rectangles) are there in the diagram shown?

John was visiting an island where all the inhabitants are either Knights—always tell the truth, or Knaves—always lie. John meets three of the inhabitants. A woman named Jackie, and two men named Ben and Don. He asked Jackie “Are you a Knight?” She replied under her breath so he couldn’t hear her.

Five couples got married last month, each on a different day of the week. The women are: Nicole, Gina, Maria, Michelle, and Anne. The men are Jeff, Charles, Steve, Michael, and Chris.

What is the fewest number of weighings you have to make to find the counterfeit coins? Riddle me this ...