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

O T T F F S S ?

What is the word or phrase?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

What is the riddle which can be asked all day with a different correct answer each time.

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Which English verb becomes past tense just by rearranging the letters?

Which wheel of car does not rotate when you turn your car right?