Can you count the number of quadrilaterals in the picture below?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

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

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

What is the word or phrase below?
R | E | A | D

Can you Find and name the hidden bird in the picture below ?