Bhaichung was observing the pattern of people entering and leaving a car service centre. There was a single window where customers were being served. He saw that people inevitably came out of the centre in the order that they went in. However, the time they spent inside seemed to vary a lot: some people came out in a matter of minutes while for others it took much longer.
From this, what can one conclude?

Question

Examsnet · Accepted Answer

Correct Answer is : The centre operates on a first-come-first-served basis, but with variable service times, depending on specific customer needs.

GATE Civil Engineering (CE) 2017 Shift 2 Solved Paper