What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

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?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Which tank will fill first?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

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

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?