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

Solve the counting riddle by identifying the number of triangles in the given picture.

You bought me for dinner but never eat me. What am I?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

What can you catch but never throw?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?