What is next number in the pattern below:

131 517 192 123 ?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Here is a Swiss Cross. You have to make two straight cuts in the figure so that it is divided into four congruent pieces. Also, you should be able to join these pieces into a square then. Can you accept this challenge?

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

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?

Who is that with a neck and no head, two arms and no hands? What is it?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Replace the question mark with the correct number below.