You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth. How long would it take for the machine to cut the roll if each cut took 4 secs?
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Using eight eights and addition only, can you make 1000?
Can you find the key in the picture below?
What has lots of eyes, but can’t see?
Can you solve the below algebraic mathematical equation? (J+O+I+N+T)3 = JOINT
How is the moon similar to a dollar?
Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?
What's the only room from which no one can enter or leave
Replace the question mark with the correct number.
Take 9 from 6, 10 from 9, 50 from 40, and leave 6. How Come ??
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki