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

What is the Surname of Barbie Doll?

If eleven plus two equals one, what does nine plus five equal?

What month of the year has 28 days?

Before Mount Everest was discovered, what was the highest mountain in the world?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?