Eight of us go fourth, not back, to protect our king from an attack. What are we?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

What does does this rebus picture means ?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Why is it very easy to weigh a fish?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

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

How many letters are in the alphabet?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?