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?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What is the difference between a jeweller and a jailer?

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

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

When is the top of a mountain similar to a savings account?

How is a fly different from a mosquito?

What is the coolest letter in the alphabet?