A warehouse manager needs to pack boxes into containers. If 15 workers can pack 450 boxes in 6 hours, how many boxes can 20 workers pack in 8 hours, assuming the same productivity rate?
A800 boxes
B900 boxes
C1000 boxes
D1200 boxes
Correct Answer:
A. 800 boxes
Explanation:
Rate per worker per hour = 450/(15×6) = 5 boxes/hour. For 20 workers in 8 hours = 20×8×5 = 800 boxes.
Read the passage and answer: 'Amazon's supply chain relies on predictive analytics to forecast demand. This AI-driven approach reduces inventory costs and improves delivery times.' Which statement best captures the main idea?
AAmazon uses artificial intelligence only for cost reduction
DInventory management is the primary focus of Amazon's strategy
Correct Answer:
B. Predictive analytics helps Amazon forecast demand, reduce costs, and improve delivery efficiency
Explanation:
The passage states that AI-driven predictive analytics serves three purposes: forecasting demand, reducing inventory costs, and improving delivery times. Option B accurately captures all these points.
A system processes 1000 requests per second. If 8% of requests fail and need retry, and each retry takes 2 seconds, approximately how many total seconds are needed to process 10,000 requests including retries (assuming sequential processing)?
