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

Solve below rebus puzzle?

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?

Spot 5 differences in two Christmas tree below:

I am lying and I always lie. Tell me whether I am lying or telling the truth.

How can one talk without saying a single word?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

What Time Should the last watch show in the below figure?

What is the Surname of Barbie Doll?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?