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

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?

Why is it very easy to weigh a fish?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Before Mount Everest was discovered, what was the highest mountain in the world?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

What goes up but never comes down?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?