A shepherd needs to cross a river with a wolf, a goat, and a basket of cabbages using a small boat that can only carry the shepherd and one item at a time. However, the wolf cannot be left alone with the goat, and the goat cannot be left alone with the cabbages. To successfully cross the river while keeping everything safe, what is the absolute minimum number of one-way boat trips the shepherd must make from start to finish?

A watchmaker has three wall clocks. One clock is exactly 10 minutes fast, one is exactly 15 minutes slow, and one displays the correct time. Currently, the clocks display 2:00, 2:15, and 2:25. What is the correct time?

A detective who was tall enough to look out a second-story window noticed a man lying dead on the pavement below, with a closed window right beside him and a heavy book clutched in his hand. The detective immediately declared it was murder, not suicide. How did he know?

A shepherd must guide a flock across a fragile wooden bridge that collapses under a weight greater than 200 pounds. The shepherd weighs exactly 190 pounds, and his fattest sheep weighs 50 pounds. How does he cross the bridge with his sheep without breaking it?

Four people—Alex, Blair, Casey, and Drew—are sitting around a square table, one on each side. Alex is sitting directly across from Casey. Blair is sitting to the immediate right of Alex. Who is sitting directly across from Blair?

A runner is participating in a long-distance race. With a tremendous burst of speed, she overtakes the person in second place. What position is she in now?

Three friends check into a hotel room that costs $30 total, so they each pay $10. Later, the manager realizes there was a mistake and the room should only cost $25. He gives $5 to the bellhop to return to the guests. The dishonest bellhop pockets $2 for himself and gives $1 back to each of the three friends. Now, each friend has paid $9 (total $27), and the bellhop has $2, which equals $29. Where is the missing $1?