Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

How many triangles are there on the puzzle below?

Replace the question mark with the correct number.

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?