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

How many times can you subtract the number two from the number fifty?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

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

What word is pronounced the same if you take away four of its five letters?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?