the one that doesn't exist
The hardest toy to find is a special attack infinity dragonoid.
the hardest Pokemon to find is regigigas you can only get him after finding all the other Pokemon and you can find him in the hippodow temple
latias
No.
feebas
The hardest drink for any given person to make is the one with the hardest to obtain ingredients. If something is hard to find it is hard to put it in a drink.
Mesprit & Cresselia (legendary)
Play it and you will find out you can
human interaction
There is no such thing as a hardest fraction. Something which you find hard someone else may find easy and something which that person find hard some third person might find easy and so on.
Some people find "no" to be the hardest word to say, as it can be difficult to assert boundaries or disappoint others.
0.75 is a quarter of 3 to find a quarter of any thing just divide by 4