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

What Time Should the last watch show in the below figure?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Find the missing number in the image below.

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

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 ?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?