If eleven plus two equals one, what does nine plus five equal?

Why is Saturday stronger than Monday?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Can you name an animal whose killing cannot be performed without spilling your own blood?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What can jump higher than a building?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can it be possible to build a house that has all its four walls facing towards the South?