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

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

What am I?

Replace the question mark with the number below given a simple math problem.

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

Can you replace the question mark with the correct number in the below table sequence?

Can you count the number of matches in the picture below ?