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

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

Which wheel of car does not rotate when you turn your car right?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Find the hidden panda in the image below.

Find the Odd One Out?
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