Alok ranked 19th from the top and 38th from the bottom in a class. How many students are there in the class?
To find the total number of students in the class, you can add Alok's rank from the top and his rank from the bottom and then subtract 1 (to avoid counting Alok twice since he is counted both from the top and the bottom). So, Total number of students = Rank from top + Rank from bottom - 1 Total number of students = 19 + 38 - 1 = 57 - 1 = 56
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...
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