Question
PSLE
Jean answered 40 questions in a quiz. She took 2 min for each of the first 20 questions and thrice as long for each of the remaining questions. The quiz started at 2.15 p.m. At what time did she complete the quiz?
2 m

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PSLE
Jean answered 40 questions in a quiz. She took 2 min for each of the first 20 questions and thrice as long for each of the remaining questions. The quiz started at 2.15 p.m. At what time did she complete the quiz?