How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

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?

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?

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

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Which number should replace the question mark?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What breaks yet never falls, and what falls yet never breaks?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?