At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Find the smallest sentence with all the English alphabet.

You need to move three matchsticks to form three squares. Can you do it?

I am an odd number. Take away a letter and I become even. What number am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

How many times in a given day, minutes and hour clock comes in a straight line ?

Find the hidden tiger in the given optical illusion ?