Question

give one example of a quantity which ca be measured with each of the following units
mm
cm
m
km
mg
g
kg
tonne
ml
litre

Answer 1

Height of a small stone.
length of a thread
distance between two walls of a room
distance between any two places
weight of a piece of cloth
weight of a book
weight of a person
weight of a scooty
amount of an ingredient for cooking something
amount of water
And if you want only one quantity Which can have all these units Then it is not possible.