Roll Numbers:
011234 | 025678 | 019012 | 033456
017890 | 021122 | 013456 | 039876
Based on the roll numbers above, where the first two digits indicate the center ID:
Question: Which center has the greatest number of registered roll numbers?
Show answer & explanation
Correct answer: A
Explanation
Given that the first two digits represent the Center ID, let us count the roll numbers registered under each center:
• Center '01': 011234, 019012, 017890, 013456 → 4 roll numbers
• Center '02': 025678, 021122 → 2 roll numbers
• Center '03': 033456, 039876 → 2 roll numbers
Therefore, Center '01' has the greatest number of registered roll numbers (4).