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

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

Can you name some countries which do not have the alphabet 'A' in them?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"