What will you call your mother's brother's brother-in-law?

Can you divide the below-given shape into four equal and identical pieces?

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

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Why Wine Glass Stem is so long?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Can you find the hidden animal in the picture below?

Can you find the key in the picture below?