What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What number when divided in half becomes zero?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Find the Goldfish below the given Image.

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What does the below image rebus riddle means ?

Can you move 2 matchsticks to form four equal sized squares.

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

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?