What is the next number in this matchsticks series riddle?

Next Number in the Series,

5, 16, 49, 104, ?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At 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." How can that be possible?

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

You need to remove two matchsticks to make the below equation true. Can you do it ?

Complete the table series riddle by finding the number that can replace "??".

Different lights make me strange by changing me into different sizes. What am I?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What do you see in the given picture?

What does this rebus picture identify?