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

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

When 99 is considered higher than 100?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

O_er_t_o_

Complete the missing letters of the given word.

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?