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This week's quiz contains a logical problem.

When Nigel moved into his first apartment a few months ago, he received many generous housewarming gifts from his friends and family, including five new kitchen appliances! Unsurprisingly, in this multimedia age, each appliance came with an instructional video, but it wasn't until last week that Nigel finally found time in his hectic schedule to set aside a different weekday to watch each tape. Each video are under an hour long (no two are the same length - 15, 25, 30, 45, or 50 minutes long), but even so, Nigel had difficulty staying awake during each, with the result that he had to view each video a different number of times (8,10, 13, 15, or 18) before he really understood how to operate that appliance. From the information provided, determine the weekday on which Nigel watched the video for each appliance, as well as that videos length in minutes and the number of times Nigel watched it.

  1. Nigel watched the microwave video the day before the one he viewed 10 times, which he watched the day before the video that is exactly 20 minutes longer than the one that came with the juicer.

  2. The microwave video is exactly 3/5 as long as the one Nigel watched on Wednesday.

  3. Three videos Nigel watched on consecutive days are, in order, 25 minute one, the one he viewed exactly five more times than the hand-mixer video, and the coffee-pot video.

  4. Nigel replayed the video he watched on Friday more times than he replayed the toaster video. Nigel did not watch the 30-minute-long video 8 or 13 times. Nigel did not view the hand-mixer video on Monday.

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