Free GMAT Practice Question

A survey shows that 62% of people in Paris like fries, whereas 78% like sandwiches. If $x$% of the people like fries and sandwiches both, which of the following statements is correct?

I. $40\le x\le 62$

II. The maximum percent of people who like only one between fries and sandwiches is 60%.

III. The maximum percent of people who like neither fries nor sandwich is 22%.