I am a prime number.
The double of myself is equal to the square of me.

which number am I?

The cream is heavier than Milk. True or False?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

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?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Which is faster, Heat or Cold ? Explain.

How could a baby fall out of a twenty-story building onto the ground and live?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?