Why 1729 is a magic number? Answer Logically.

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

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

When I get multiplied by any number, the sum of the figures in the product is always me. 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.

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

What word begins and ends with an E, but has only one letter?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I know a nine-letter word having only one vowel.
Do you ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?