Correct option is D
Given:
· Sunita's rank from the top = 10th
· Sunita's rank from the bottom = 18th
The formula to find the total number of students when a student’s position from both the top and bottom is known is:
Total number of students=(Rank from top+Rank from bottom)−1
Calculation:
Total number of students=(10+18)−1=28−1=27
Correct Answer: (d) 27