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

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

How many triangles can you find in this given picture?

Replace the question mark with the number below given a simple math problem.

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?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?