Preeti ranked 9th from the bottom
Preeti ranked 9th from the bottom and 8th from the top in her class. How many students are there in her class?
प्रीति अपनी कक्षा में नीचे से 9वें और ऊपर से 8वें स्थान पर है। उसकी कक्षा में कुल कितने विद्यार्थी हैं?
Detailed Solution & Logic
Correct Answer:
16
Step 1: Understand the problem
-
Let the total number of students in the class be N.
-
Preeti's rank from the top = 8
-
Preeti's rank from the bottom = 9
Step 2: Use the formula for total students
There is a simple formula:
Total students=Rank from top+Rank from bottom−1
This works because the same student is counted in both ranks, so we subtract 1 to avoid double counting.
Step 3: Substitute the values
N=8+9−1
N=16
✅ Step 4: Answer
Total number of students in the class = 16
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