How many words can a pen with half refill write?

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

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

The more of this there is, the less you see. What is it?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

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

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Do you know who was buried in John's tomb?

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?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?