What word is pronounced the same if you take away four of its five letters?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

I don't get anymore wetter, no matter how much rain falls on me.

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Find out the number of circles in the given picture having Illusion

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?