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?

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

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

What's the only room from which no one can enter or leave

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

What is the longest word in the dictionary?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H