I travel all around the world but always stay in the corner. What am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

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.

In the picture given below, can you find out which digit will take place of the question mark?

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

What goes up but never comes down?

What word is represented by this rebus?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

I taste better than I can smell. Who am I?