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

What has a bottom at the top?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

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

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What's the only room from which no one can enter or leave

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I cannot talk, but I always reply when spoken to. What am I?