Question: A restaurant has two sections, that is, meals section and tiffin section. Customers arrive at the restaurant at the rate of one every 60 ± 30 seconds. Of the arriving customers, 50% take only tiffin and 50% take only meals. Immaterial of the type of the customer, it takes 75 ± 40 seconds to provide service. Assuming that there are sufficient number of servers available, determine the time taken to serve 100 customers.