What goes up but never comes down?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

You need to move three matchsticks to form three squares. Can you do it?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?