Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

The Little ant seems to be always confused. Do you know why?

I look at you, you look at me, I raise my right, you raise your left. What am I?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

What came first, the chicken or the egg?

What does a man do only once in his lifetime, but women do once a year after they are 29?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Can you solve the photo plexer logic ?