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

Complete the table series riddle by finding the number that can replace "??".

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

There is a place where if I stand up straight, I will still be considered sideways.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

How can you take 2 from 5 and leave 4?