Query about Question 1 from "PrepSwift: Proportions" [3457]

https://prepswift.gregmat.com/quizzes/quiz/prepswift-proportions (Question 1)


The time works out to be 42 mins and 12 secs exact. If we round down to the nearest minute, wouldn’t we not be considering the extra time taken, and the logical thing here to do would have been to round up