Hard Riddles

Hard riddles with answers are a true test of your brain power, reasoning and comprehension. You are sure to find these tough difficult riddles both challenging and puzzling. While these hard riddles and answers may drive you a little crazy sometimes, they may surprise you in the way they force you think out of the box.

Knight, Knave and Spy

There are three people, Alex, Brook and Cody. One of whom is a knight, one a knave, and one a spy.

The knight always tells the truth, the knave always lies, and the spy can either lie or tell the truth.

Alex says: “Cody is a knave.”
Brook says: “Alex is a knight.”
Cody says: “I am the spy.”

Who is the knight, who is the knave, and who is the spy?

Riddle Answer

The Bathtub Test

During a visit to a mental asylum, a visitor asked the director what the criteria is that defines if a patient should be admitted.

“Well,” said the director, “we fill up a bathtub. Then we offer a teaspoon, a teacup, and a bucket to the patient and ask the patient to empty the bathtub. Okay, here’s your test: Would you use the spoon, the teacup or the bucket?”

“Oh, I understand,” said the visitor. “A normal person would choose the bucket, as it is larger than the spoon.”

What was the director’s response?

Riddle Answer