Spot what is wrong here in below Picture?

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?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you decipher the two rows to find the hidden word?

Can you find out the number that should replace the question mark with a valid reason?

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

What does this Rebus Picture mean?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Can you name some countries which do not have the alphabet 'A' in them?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?