99
the number 6
The number 6. When you flip 6 upside-down it's 9.
The number 6. When 6 is turned upside down, it becomes 9. 9>6.
because it spends most of its time upside down in the air
In most cases someone would build a house upside down simply for artistic value. A lot of places that are built upside down are tourist attractions and museums.
6. You flip it and it becomes 9 which is 3 more
It would appear reversed, but not upside down. If it does appear upside down, then either the plate is mounted in such a manner.
Turn it upside down.
10
86 which upside down looks like 98. Difference between them is 12
6
6