A municipal office in Lucknow employs 200 workers. 50% are clerks, 30% are maintenance staff, and the rest are security. On a particular day, 15% of clerks and 20% of maintenance staff are absent. How many workers are present that day?
Answer
173
The correct answer is 173 — Total present workers = .
Step-by-step solution
- Total clerks = .
- Absent clerks = .
- Present clerks = .
- Total maintenance staff = .
- Absent maintenance staff = .
- Present maintenance staff = .
- Security staff = (all present).
- Total present workers = .
Common mistake: Adding absent workers instead of subtracting from total, giving a lower present count.
Concept tested: Calculating present workforce with absenteeism
Published · How this solution was prepared and checked
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