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?

An apple seller is hosting a competition. He offers 1000 apples and 10 boxes to the people who pass by. The challenge is to put those 1000 apples in the 10 boxes in such a manner that if he asks for any amount of apples, the person can directly give him the boxes or a combination of boxes. If the person can do it, he promises to give a thousand apples for free.

If you happen to pass by the apple seller, will you be able to win a thousand apples?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Where do you go to learn how to make ice cream?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What can you see in the middle of March and April that you can never see in any other month?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?