Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

What jumps when it walks and sits when it stands?

In the image given, you can find several triangles. Can you count them all?

Using eight eights and addition only, can you make 1000?

What is the last thing you take off before bed?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?