How can you tell a raw egg from a hard-boiled egg?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

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

The Little ant seems to be always confused. Do you know why?