Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

You bought me for dinner but never eat me. What am I?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What is the centre of gravity?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Why Aeroplane windows are round?

The answer I give is yes, but what I mean is no. What was the question?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?