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

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

There are forty elephants and they have forty-fore heads. How can this be possible?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What is more useful when it is broken?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What do you call a fish without an eye?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

The dirtier I get, the whiter I look. Who am I?