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

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

I have feet, but no legs. Which animal Am I?

What does this mathematical rebus means ?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

How many Watermelons are there in the below picture?

Buy me, smell me or deliver me, I do not change.

Who am I?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?