A plane crashed between the border of Mexico and America. Where do you bury the survivors?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

What jumps when it walks and sits when it stands?

Bay of Bengal is in which state?

I have eight fingers and two thumbs but I do not live. What Am I?

Take one out and scratch my head, I am now black but once was red. What am I?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?