What is always in front of you but can’t be seen?

Which Burger Is Different in below image?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!