What Adam and Eve do not have but the rest of the people have?

Can you divide the below-given shape into four equal and identical pieces?

Can you make a six-letter word using the letters N, A and B ?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

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

How can you take 2 from 5 and leave 4?

How many Watermelons are there in the below picture?

What brings you down but never up?

What has a ring but no finger?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?