Your university is now open for offline classes and you want to complete your advising.  You want to choose courses like first day will have the maximum course-load and last day will have the minimum. The courses' name, start and ending times are respectively (cse221,1,3),(cse101,2,3),(mat110,3,5),(eng101,3,5),(dev103,11,13),(hum101,5,7),(cse110,9,12)   1. How many courses will you have on the first day?

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