What word does this rebus represent?

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A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What is so fragile that saying its name breaks it?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

What number should come in place of the question mark below?

Solve the rebus riddle in the picture below.