Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

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

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Using Only Five 5's and any mathematical operator make sum as 37

What is black when you buy it, red when you use it, and gray when you throw it away?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?