How much flour is/are there? How many bananas is/are there? How much cheese is/are there? How many watermelons is/are

How much flour is there? (flour-мука, неисчисляемое)How many bananas are there? (bananas - бананы, исчисляемое)How much cheese is there? (cheese - сыр, неисчисляемое)How many watermelons are there ? (watermelons - арбузы, исчисляемое)How much butter is there? (butter - масло, неисчисляемое)How many mangoes are there? (mangoes - манго, исчисляемое)