Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

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

What is it?

What four weights can be used to balance from 1 to 30 pounds?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

How many bananas can you eat if your stomach is empty?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?