Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

There is a place where if I stand up straight, I will still be considered sideways.

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What does does this rebus picture means ?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

Can you count the number of triangles in the given figure?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

No matter how little or how much you use me, you change me every month. What am I?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?