Spot 5 differences in two Christmas tree below:

What will you call your mother's brother's brother-in-law?

How many bananas can you eat if your stomach is empty?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

What 5-letter word typed in all capital letters can be read the same upside down?

A man dies of old age on his 25 birthday. How is this possible?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Who always enjoys poor health?

What can you see in the middle of March and April that you can never see in any other month?

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?