A merchant has 120 litres of oil of one kind, 180
litres of another kind and 240 litres of third kind. He
wants to sell the oil by filling the three kinds of oil
in tins of equal capacity.
What should be the greatest capacity of such a tin?
A 80 litres
B 60 litres
C 75 litres
D 90 litres
i beleive that we should total the amount of oil which is 540L, the greatest factor is 90, so answer is D.