Can you place three balls such that the equation shown in the picture holds true?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

Can you count the number of squares in the given picture?

Can you replace the question mark with the correct number in the below table sequence?

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?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?