If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
What has many keys but can’t open a single lock?
What is more useful when it is broken?
You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket? (Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)
What is black when you buy it, red when you use it, and gray when you throw it away?
As a whole I am both safe and secure. Behead me and I become a place of meeting. Behead me again and I am the partner of ready. Restore me, and I become the domain of beasts. What am I?
I have a mouth but I don't eat. I have a bank but have no money. I have a bed but i dont sleep. I wave but have no hands. Who Am I ?
By using 'because' continuously three times, can you make an English statement ?
A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?
The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total. How much time will he take to have all the five tablets?
How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
