I have teeth but i don't bite. Who Am I ?

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

What is it?

What does an Island and the letter T have in common?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Can you find the hidden animal in the picture below?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Name a key which is hardest to turn.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?