using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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

What does this rebus mean?

O
N
C
E
TIME

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

What is the next shape from answers A, B, C, and D figure?