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

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

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

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you start the fire using two pieces of wood?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

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

Can you find a flaw in this statement?