If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

If eleven plus two equals one, what does nine plus five equal?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

What has one eye, but can’t see?

What has a bottom at the top?

Give it food and it will live; give it water and it will die.