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

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?