Can you name an animal whose killing cannot be performed without spilling your own blood?
If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?
Replace the question mark with the correct number.
That attorney is my brother, testified the accountant. But the attorney testified he didn't have a brother. Who is lying?
You can hear me, but you can't touch or see me. What am I?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
You need to move three matchsticks to form three squares. Can you do it?
Can it be possible to build a house that has all its four walls facing towards the South?
Decode the below four famous ciphers: 8P of the SS 1M of the E 1S of the SS 60M in 1H
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
What you cannot hold but it is yours?
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