If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I shave every day, but my beard stays the same. What am I?

What happened when the wheel was invented?

Count the number of triangles in the given picture.

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

What is the next number in the series?

15 29 56 108 208 ?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Why Wine Glass Stem is so long?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Rearrange the letters in "new door" to make one word.