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

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Can you guess the name of the month by looking the below rebus ?

When we see 2 but call 10?

What is the word or phrase?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

What does Alexander the Great and Winnie the Pooh have in common?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?