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

What is it?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

It belongs to you, but other people use it more than you do. What is it?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What does the below rebus puzzle mean?