Two water tanks havecapacitires 30 litres and 18 litres, respectively. What is the highest measure of a measuring cylinder which can exactly measure the water of both the tanks when the tanks are full?

Two water tanks havecapacitires 30 litres and 18 litres, respectively.

1.	Two water tanks havecapacitires 30 litres and 18 litres, respectively. What is the highest measure of a measuring cylinder which can exactly measure the water of both the tanks when the tanks are full?
Answer» `5` LITERS `9` liters `8` liters `6` liters Answer :D