Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What does this rebus riddle mean?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

How can a man go eight days without sleep?

What is the next number in this series?

4,12,84,3612....

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?