People put me on the table and cut me but do not eat me. What am I?

Replace the question mark with the correct number in below Picture:

What does a man do only once in his lifetime, but women do once a year after they are 29?

By using 'because' continuously three times, can you make an English statement ?

In the given picture, in how many ways can you read the word "Tiger"?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

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.