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?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

What 5-letter word typed in all capital letters can be read the same upside down?