what does the below rebus means?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

How could a baby fall out of a twenty-story building onto the ground and live?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

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.

Can you solve the maths in the below-given picture equation?

Can you Find and name the hidden bird in the picture below ?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.