If two's company, and three's a crowd, then whats four and five ?

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

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

When it is alive we sing, when it is dead we clap our hands. What is it?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What kind of band never plays music?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What does below rebus means ?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?