I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Different lights make me strange by changing me into different sizes. What am I?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Why do you find that most of the buildings are deprived of the 13th floor?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

Why is a river so rich ?

Can you find the missing piece of the Porsche?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

Complete the table series riddle by finding the number that can replace "??".

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