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

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A father's child, a mother's child, yet no one's son.

Who am I?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

By using 'because' continuously three times, can you make an English statement ?

What will you call your mother's brother's brother-in-law?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

Spot 5 differences in two Christmas tree below:

Which Travels Faster? Solve below famous picture riddle: