No. The official rules require that you own all properties in a set before you can build houses on them. This means both properties for the Whitechapel/Old Kent Road block and for the Mayfair/Park Lane block. All other sets require three properties.
A hotel cannot be built without four houses being present first, so the same rule is implied here.
Many people play house rules whereby this restriction does not apply.
When you get 4 houses on 1 of your properties.
You can't get a hotel on you property until you have bought 4 houses; you can however, purchase the 4 houses and hotel in one shot and avoid having a mess of houses on your properties.
no!
Monopoly has 28 properties in the game. So the answer is 28 properties can be purchased during a game of Monopoly.
Yes you can trade properties in a game of Monopoly.
no
The names of the 3 Monopoly red properties are Indiana Avenue, Kentucky Avenue and Illinois Avenue.
No, only properties can get mortaged. However, you are able to sell back hotels to the back if you need money.
Mayfair
no you cannot.
no you cannot.
28 properties counting railroad and utilitys
The properties are roughly 2.5"h x 1"w
All of the properties in a set (ie., all properties of the same color)
It is so, because they sell "Monopoly" the board game.