In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

The more of this there is, the less you see. What is it?

What do you see in the image below

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

You can see three almost identical images below. Can you spot the odd one out from them?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

81 x 9 = 801. What must you do to make the this equation true?

Can you tell a 3D object that has just two surfaces?

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?