When 99 is considered higher than 100?

What has one eye, but can’t see?

what does this below rebus represent identXQQQQQME

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

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

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?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?