1) An assembly line with 17 tasks needs to be balanced. The longest task takes 2.4 minutes, and the total time for all tasks is 18 minutes. The line will operate for 450 minutes per day.

a. What is the minimum number of workstations needed if the output rate is to be 180 units per day?

b. What cycle time will provide an output rate of 125 units per day?

c. What output will result if the cycle time is (i) 9 minutes (ii) 15 minutes?

2). The tasks performed in a cafeteria to serve a customer and the average service times are as follows: