Hard Riddles
The Penny Riddle
A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?
The Barber Paradox
A barber shaves all those, and only those, who do not shave themselves. Who shaves the barber?
The Elevator Riddle
A man lives on the 10th floor of a building. Every morning he takes the elevator down to the ground floor to go to work. When he returns in the evening, he takes the elevator to the 7th floor and walks up the stairs to his apartment on the 10th floor. However, on rainy days, he takes the elevator all the way to the 10th floor. Why?
The Clock Hands Riddle
How many times a day do the hands of a clock overlap?
The Lake Crossing Puzzle
There are 3 missionaries and 3 cannibals who need to cross a river. The boat can only hold 2 people at a time. If the cannibals ever outnumber the missionaries on either side of the river, the missionaries will be eaten. How can they all cross safely?
The Train Tunnel Riddle
Two trains enter a tunnel 200 miles long. Train A travels at 70 mph, Train B at 50 mph. How long after they enter will they meet?
The Ancient Conundrum
I am always hungry, I must always be fed. The finger I touch will soon turn red. What am I?
The Mystical Object
What has roots that nobody sees, is taller than trees, up, up it goes, and yet never grows?
The Complex Challenge
I am not alive, but I grow; I don’t have lungs, but I need air; I don’t have a mouth, but water kills me. What am I?
The Paradoxical Question
This statement is false. Is the statement true or false?