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

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

I can write cow in 13 letters.

Can You?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?