Why did the Girl throw the butter out of the window?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

The more you take me, the more you leave me behind.
Who Am I?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

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?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Why do we preferably have round manhole covers and not square ones?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?