In a class, among the passed students, A is 17th from the top and 22nd from the bottom. If 7 students failed, what is the total number of students in the class?
Show answer & explanation
Correct answer: A
Explanation
Total number of students who passed
Formula:
Total = (rank from top) + (rank from bottom) - 1
= 17 + 22 - 1
= 38
Number of students who passed = 38
Total number of students
7 students failed.
38 + 7 = 45
Final answer: 1) 45