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

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

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?

What is the longest word in the dictionary?

Do You See It?

How many bananas can you eat if your stomach is empty?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What can you catch but never throw?