What is wrong in the below Picture?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Can you count the number of lines in the below picture?

When it's bad luck to meet a black cat?

Count the number of triangles in the below picture?

Why do Chinese men eat more rice than Japanese men do ?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?