What month of the year has 28 days?

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

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

During which month do people sleep the least?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

I make two people out of one. What am I?

Can you find the missing piece of the Porsche?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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

How can you write nineteen in a manner that if we take out one, it becomes twenty?