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

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Solve the mathematical equation in the picture below.

O_er_t_o_

Complete the missing letters of the given word.

Find the missing letter in the last circle logically in the given below picture.

Which fur should we be getting from the Lion?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Find the 8 in the below-given Image.

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?