here are several books on a bookshelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
You are in a locked room with 4 doors on each side. You see a paper written ɥʇunoS. Which door and which app from your mobile should you use?
Flip the paper and you get South. Use the compass app from your mobile and exit through the south door!
If you were standing directly on Antarctica's South Pole facing north, which direction would you travel if you took one step backward?
A man was born in 1987 and died in 1994 at the age of 85. How can this be?
They are hospital room numbers