mitkä

kumman

which one of the two (genitive of kumpi)

mihin suuntaan

in which direction

minkä ikäinen

how old (of a person or animal)

onko

is it? (yes/no question particle)

kuinka moni

how many people

paljonko

how much

mistähän

from where, I wonder

keiden

whose (plural genitive of kuka)