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

Can you divide the below-given shape into four equal and identical pieces?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

What does this Rebus Picture means ?

What you cannot hold but it is yours?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?