What always comes into a house through the keyhole?

How many times do a clock's hands overlap in a day ?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Which Travels Faster? Solve below famous picture riddle:

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

What does the below rebus puzzle mean?

Remove two matchsticks to make the below equation correct.

The answer I give is yes, but what I mean is no. What was the question?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?