Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

There is something which you can be arrested for attempting but not for successfully completing.

why number 8549176320 is one of a kind?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

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?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?