I have teeth but i don't bite. Who Am I ?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

What is the end of everything?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

What two things can you never eat for breakfast?

What jumps when it walks and sits when it stands?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Can you find the hidden animal in the picture below?

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?