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

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

I have an eye but still cannot see.

Who am I?

What has a ring but no finger?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Name a key which is hardest to turn.

In the image given, you can find several triangles. Can you count them all?

Find the next number in the series below

21 32 54 87 131 ?

Find the value of "?" in the ball picture Riddle below: