If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

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

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

What has hands, but can’t clap?

What is the word or phrase below?
R | E | A | D

What country can make you shiver?

Can you place three balls such that the equation shown in the picture holds true?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211