hi...I've read that taxi from HK airport to mongkok is around hkd$ 240. does that include the toll fare?

Hi, the toll fare is included. However, you may be charged for every piece of baggage that is carried inside the baggage compartment, and every piece of baggage with total dimensions (length + width + height) exceeding 140cm that is carried inside the passenger compartment. I remember it costs 5HKD per luggage.