What word is pronounced the same if you take away four of its five letters?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Which is heavier: a ton of bricks or a ton of feathers?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Where do you go to learn how to make ice cream?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Who can jump higher than a Mountain?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?