By what process could you make a 'Tea-Table' into food?

Why Aeroplane windows are round?

What Does this text mean:

important=important

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Name a key which is hardest to turn.

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What is the next number in this series?

4,12,84,3612....