Assume that only one client’s order can be processed at any given point of time. So, Anish or Bani cannot start preparing a new order while a pervious order is being prepared. At what time is the order placed by Client 1 completely served?
Explanation:
Now since only one client's order can be processed at any given point of time, the burger preparation for the first client which takes 10 minutes, will get completed by 10 : 10 by one of the 2 employees.
In the meantime, the 1 order of ice-cream will be completed by the 2nd employee in 2 minutes and will be completed by 10 : 02.
One of the 2 employees can put the 3 portions of french fries in the fryer at 10 and will be completed by 10 : 05. [He can put the fries in fryer and immediately start with either burger or ice-cream]
As can be seen, out of all 3 items, the burger will be the last item to be prepared for the first client and the preparation of that item will be completed by 10 : 10 am.
So the order of the first client will be completed by 10 : 10.
Hence, option (b).
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