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?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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 can jump higher than a building?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

How can you make a TV, a bed, a dog, and a car liquid?

What is always in front of you but can’t be seen?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable