What country can make you shiver?

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

I am quite hot but become too cold if you remove the first two letters. What am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Find the smallest sentence with all the English alphabet.

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Why do people go to bed?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?