Correct option is A
To calculate the total number of students, we use the formula: Total = (Rank from top) + (Rank from bottom) - 1 = 11 + 62 - 1 = 72. We subtract 1 to avoid double-counting the same student (Ehman).
Explanation of options: (a) ✔ This is the correct total based on the accurate formula: 11 (top) + 62 (bottom) - 1 = 72 students in the class. (b) ✘ 60 is incorrect as it doesn't consider both ranks accurately and is far from the calculated total. (c) ✘ 59 is an underestimation and could come from adding incorrectly or missing the subtraction of 1. (d) ✘ 68 is close but wrong; this might come from forgetting to subtract 1 in the formula.