Question
Owen answered 30 questions in a test. He took 3 min for each of the first 10 questions and 4 min for each of the remaining questions. The test started at 9.20 a.m. At what time did Owen complete his test? (Give your answer in 12-hour clock format.)
2 m

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Owen answered 30 questions in a test. He took 3 min for each of the first 10 questions and 4 min for each of the remaining questions. The test started at 9.20 a.m. At what time did Owen complete his test? (Give your answer in 12-hour clock format.)