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 others took a lot longer. From this, what can one conclude? A. The centre operates on a first-come-first-served basis, but with variable service times, depending on specific customers. B. Customers were served in an arbitrary order, since they took varying amounts of time for service completion in the centre. C. The time spent by a person inside the service centre was not ultimately associated with the actors, to get the perspective needed for imperial recording of matters. D. Actors are typically associated with the imperial recording of matters.

GATE 2017 · General Aptitude · Passage Reading · medium

Answer: A. The centre operates on a first-come-first-served basis, but with variable service times, depending on specific customers.

1. Extract the two key observations: Observation 1: People always come out in the same order they went in — this is FIFO (first-come-first-served). Observation 2: Time spent inside varies greatly — service time is variable per customer.
2. Match observations to options: Option A states 'first-come-first-served basis' (matches observation 1) 'with variable service times' (matches observation 2) — perfect match. Option B claims 'arbitrary order' which directly contradicts observation 1. Options C and D discuss unrelated content about actors.
3. Confirm answer: The conclusion is that the centre uses FIFO service with variable per-customer service times. This matches Option A exactly.